"They weren't having fun themselves, but they considered the prospect of Civilization growing to colonize other stars, and eventually disassemble other stars for raw materials, and there being trillions and quadrillions and septillions of people having much more fun than today, their today, I mean, to be a much more horrifying problem."
"They said their children would understand and agree with them that it'd been worth the disutility of bringing them into existence, so that they could take up the vital cause of exterminating all life before it was too late."
"Which, you know, it's sloppy generalization, and a generally invalid form of argument to say that you could've solved a problem using a particular heuristic, and therefore that heuristic must be right across all cases."
"But still, one would've preferred them to go with the heuristic of people not having a duty to stick around where they're not being happy."