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Cutting down Ockham's razor + Is your Roomba spying on you?

#1
C C Offline
Privacy advocates slam Amazon's $1.7B iRobot deal that fuels 'pervasive surveillance' because it can map out entire home layouts and connect to smart devices - as FTC now opens probe into buyout
https://www.dailymail.co.uk/sciencetech/...-home.html

KEY POINTS: Privacy advocates slammed Amazon's buyout of iRobot for 'pervasive surveillance' fueled in part by the device's camera. 'Amazon stands to gain access to extremely intimate acts in our most private spaces,' states a letter signed by over 20 civil liberties groups. The $1.7 billion purchase of the robotic vacuum maker is being examined by the Federal Trade Commission's antitrust unit. Advocates say the Roomba's ability map out entire homes would then be fed into Amazon's massive data trove and end up being abused by the firm. (MORE - details)


Cutting down Ockham's razor
https://www.openmindmag.org/articles/the...simplicity

EXCERPTS: We hear all the time that the simplest explanations are usually the right ones. This truth-testing idea—known as Ockham’s razor, after the English medieval philosopher William of Ockham—has been embraced by no less authorities than Isaac Newton and Albert Einstein. Today scientists invoke Ockham’s razor on topics ranging from Covid’s origins to cosmic dark matter, while folks debating a subject on social media regularly invoke it as their final arbiter. After all, why complicate something more than you need to? Isn’t it better to shave ideas down to their essential truths?

Ockham’s razor sounds logical and definitive, which is exactly what makes it dangerous. Not only is the assumption of simplicity often false, but following it blindly can lead to serious misunderstandings, both in science and in everyday life.

A well-known historical validation of the principle of simplicity in science was in the overthrow of the geocentric model of the universe [...] The lessons here are that the simplest explanation is not necessarily the correct one, and the correct one is often not as simple as it first appears. Ockham’s razor, as applied in science, does not mean that a new theory should replace a previous one just because it is simpler or has fewer assumptions.

I prefer a different interpretation of Ockham’s razor: A better theory is one that is more useful because it makes more-accurate predictions about the world and leads to reproducible results. Simplicity is not always what we should strive for. In everyday life, too, explanations are often not as simple as we would like them to be...

[...] The challenge is to apply the principle of simplicity thoughtfully and strategically. ... Unfortunately, people often seek simplicity well beyond the point of usefulness. ... Sometimes, acknowledging the role of complexity is vital for understanding the properties of a system. Even simple systems following deterministic physical laws can behave in highly unpredictable ways...

[...] Scientists therefore try not to be seduced by Ockham’s razor. In my preferred formulation: The simplest explanation is not necessarily the most useful one, and ideas that appear simple often fall apart in the face of new evidence.

It is a lesson we should all embrace. [...] Ockham’s razor has become a tool of political identity. Those daring to point out that an issue is more complicated than either side wishes to admit can find themselves attacked by both sides: If you’re not 100 percent with me, you are against me.

We would do well to apply anti-Ockham scrutiny to our political and social discourse, just as scientists attempt to apply it to their research. Practically speaking, we cannot go around digging into every issue or rejecting every explanation just because it seems too easy. But we can train ourselves to be wary of making up our minds on a matter as soon as we’ve found a simple narrative. We should try to question whether that simple narrative is accepted by people who have put in the effort to study it more deeply than we have, or than we can... (MORE - missing details)
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#2
Zinjanthropos Offline
Quote:. The challenge is to apply the principle of simplicity thoughtfully and strategically.

Sounds simple Smile
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#3
Syne Offline
They're leaving out the part of Ockham's Razor where the the preferred theory is the simplest that explains the most. The answer that explains the most will always win out, unless there's a simpler answer that explains just as much.

There's zero challenge in applying it.
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#4
Magical Realist Offline
(Sep 10, 2022 12:38 AM)Syne Wrote: They're leaving out the part of Ockham's Razor where the the preferred theory is the simplest that explains the most. The answer that explains the most will always win out, unless there's a simpler answer that explains just as much.

There's zero challenge in applying it.


I don't know that scope of explanation is a good measure of a theory's truth. For example conspiracy theories are good at explaining disparate facts. Almost too good. But they are not on this account the most likely option. Creation myths explain alot. But that doesn't make them true.
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#5
Syne Offline
Conspiracy theories are, by their nature, not simple. They always require coordinated efforts by more people than as feasible or can be kept secret.
Creation myths don't really explain much. They are more fanciful/philosophical stories than useful knowledge.
Theories are able to explain things in a way that can be demonstrated, which conspiracies and creation myths cannot. Ockham's Razor is about theories of knowledge. Once you leave the realm of demonstrable knowledge, it no longer applies...except in this article's pop-culture conception.
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#6
Magical Realist Offline
(Sep 13, 2022 11:13 PM)Syne Wrote: Conspiracy theories are, by their nature, not simple. They always require coordinated efforts by more people than as feasible or can be kept secret.
Creation myths don't really explain much. They are more fanciful/philosophical stories than useful knowledge.
Theories are able to explain things in a way that can be demonstrated, which conspiracies and creation myths cannot. Ockham's Razor is about theories of knowledge. Once you leave the realm of demonstrable knowledge, it no longer applies...except in this article's pop-culture conception.

True. I would say then that the more plausible theory is the one that explains the most with the least amount of assumptions. Evolution is a splendid example of such. With its core principle of natural and sexual selection it practically explains how all the traits of species came to be. Creationism doesn't even come close to this level of parsimony. Its unevidenced assumption of an existing supreme being with infinite magical powers explains everything in general while explaining nothing in particular..
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#7
Syne Offline
Again, creationism isn't a theory, it's a belief. Beliefs are held for many reasons other than parsimony, and most people know they are not comparable to theories.
Evolution isn't terribly parsimonious. There's just not many other competing theories. If there were, we could compare simplicity (assumptions) and explanatory scope.
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