It's really disturbing to see the full "Less Wrong, Roko's Basilisk cultist" mentality emerge so strongly here. So many self-styled rational people who are unwilling or unable to meaningfully interrogate their assumptions or emotional driving forces, converging on the same religious tripe.
I don't think "Less Wrong, Roko's Basilisk cultist" is a charitable characterization of Fernando: he explains the development of his current positions in https://borretti.me/article/the-education-of-a-doomer: