I dislike raw oysters quite a bit, but they're okay cooked.
Speaking of logical fallacies, the fact that one person loves a thing means that other people will even tolerate it is not strongly likely. I don't know that people even have an obligation to try things other people love.
And yet, the temptation to think that other people do or should love what one loves it very strong. "I think this is great!" just doesn't feel as true as "This is great!".
I'm not sure he thinks his methods will achieve immortality. his overt goals are reversing aging and improving quality of life. If he's talked about living long enough for drastically better tech, I haven't heard him say it. I think he does believe it would take too long to get to a general solution for aging for it to do him any good.
I suggest thinking about other possible social dark matter.
I think deliberate weight loss makes a lot of people's lives worse-- that being hungry and distracted (possibly chilled and more frequently sick) isn't worth greater social acceptance, and that the current insistence on leanness is about looking right rather than health.
Asexuality could have fit in the article.
I think there's a strong motivation to believe in hell for other people. The wicked flourish like the green bay tree, and where is justice?
Alternatively, belief in hell for other people is mere spitefulness.
Also, I believe inventing the tortures of hell is very like the same drive that causes people to write horror fiction, though I have no idea of why they do it, or why I like horror fiction.