Artificial Intelligence is impossible.

Everyone currently alive is going to die.

Humans are not more valuable or significant than other species on Earth. We have simply adapted our definition of success to contain the things we do anyway.

X-Rationalism is a signaling behavior by awkward, socially isolated nerds who've been raised by a diet of bad science fiction to think they're special. The reason why rationalists aren't ruling the world is because 'rationalism' consists of nothing but reading the works of smarter people, nodding sagely, and then stealing their vocabulary wholesale.