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Roko comments on Savulescu: "Genetically enhance humanity or face extinction" - Less Wrong
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You're talking about the number of branches, but perhaps the important thing is not that but measure, i.e., squared amplitude. Branching preserves measure, while quantum suicide doesn't, so you can't make up for it by branching more times if what you care about is measure.
It seems clear that on a revealed preference level, people do care about measure, and not the number of branches, since nobody actually attempts quantum suicide, nor do they try to do anything to increase the branching rate.
If you go further and ask why do we/should we care about measure instead of the number of branches, I have to answer I don't know, but I think one clue is that those who do care about the number of branches but not measure will end up in a large number of branches but have small measure, and they will have high algorithmic complexity/low algorithmic probability as a result.
(I may have written more about this in a OB comment, and I'll try to look it up. ETA: Nope, can't find it now.)
Yes, something like that.
I think this is a more reasonable alternative to "caring about measure" (as opposed to "caring about the number of branches" which is mainly what I was arguing against in my first reply to you in this thread). I'm not sure what I can say about this that might be new to you. I guess I can point out that this is not something that "evolution would do" if mind copying technology were available, but that's another "clue" that I'm not sure what to make of.