Xodarap's Comments

Why are people so bad at dating?

I don't think the app has much of an incentive to do this – each individual person wants to look more attractive, but if everyone looks 10% more attractive I'm not sure the community as a whole is benefited.

Some apps do provide feedback on which photos you should choose though, which is kind of similar.

Why are people so bad at dating?

Thanks! Do you have an analogous confusion about why people are leaving metaphorical $20 bills on the ground? (E.g. you wonder why people are wasting all their time on Tinder instead of hanging out with their friends or whatever you think is more effective.) Or do you think that people are behaving in a pretty optimal manner?

Why are people so bad at dating?

Thanks! I agree that trying too hard or seeming fake is a big turnoff and would decrease your chances of success, but choosing better photos seems like a pretty covert activity (and one which seems to have reasonably high social approval).

Why are people so bad at dating?
If you think it feels wrong that most people don't care, consider that you care enough about the subject to write a blog post about it so you're not an average person regarding dating.

Thanks! This just increases my confusion though: the main thing that evolution optimized us for matters so little to the average person that they don't even want to write a blog post about it?

Why Subagents?

Good point, yeah – it's a lexical ordering, not a unanimous agreement.

Why Subagents?

This can be formalized in the following sense:

1. Suppose your set of values are lattice-ordered, and
2. Suppose they admit some sort of group structure that preserves this ordering: if you prefer apples to oranges, then you prefer two apples to two oranges, and so forth.


1. As long as you don't have "infinitely" good outcomes, your preferences can be represented by a utility function.
2. If you have "infinitely" good outcomes, your preferences can be represented by a set of agents, each of which has a utility function, and your overall preference is equivalent to these subagents "unanimously agreeing".

The former claim is due to Holders theorem, and the latter is a result of the Hahn embedding theorem. I wrote a little bit more about this here.

9/26 is Petrov Day

Does anyone know what Petrov's address is, or any way to reach him?

The Madison, WI effective altruism group would like to write him thank-you letters for our next meetup this Petrov Day.

Problems and Solutions in Infinite Ethics

Thanks. As per theorem 3.2 above you can't have both Pareto and an anonymity constraint. Finite anonymity would add a constant factor to the complexity of the utility vector and hence shouldn't affect the prior, so I assume your method follows the finite anonymity constraint.

As a result, you must be disobeying Pareto? It's not obvious to me why your solution results in this, so I'm bringing it up in case it wasn't obvious to you either. (Or it could be that I'm completely misunderstanding what you are trying to do. Or maybe that you don't think Pareto is actually a reasonable requirement. In any case I think at least one of us is misunderstanding what's going on.)

Lifestyle interventions to increase longevity

I agree that ovo-lacto evidence is weaker, but I'll maintain that there is slight evidence in favor of it. Given that a diet including fish, eggs, and milk, is much much easier to adhere to it remains something I recommend. Remember that my approach to nutrition in the OP is that effect sizes are small and you should focus your efforts elsewhere.

At last, we have reached convergence! I disagree slightly (the most recent article you linked again does not find significant differences between vegans and vegetarians as far as I can tell) but I'm fine calling that "slight evidence". The problem was that the OP said:

Ovo-lacto vegetarians live significantly longer than vegans

Which doesn't sound like it's true in either the statistical nor the colloquial sense of the word. Right? So can we just remove that sentence pretty please?

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