Throughout history there have been hundreds, if not thousands of examples of people and groups who thought the end of the world was imminent. So far, 100% of those people have been wrong. The prior should be that the people who believe in AI doomsday scenarios are wrong also, unless and until there is very strong evidence to the contrary. Vague theoretical arguments are not sufficient, as there are many organizations…
Perhaps because they have read stories of such things happening to other people, and with a little reasoning, maybe the similarities between our circumstances and their circumstances are enough to seem worrying, that maybe we could end up in their shoes if we aren't careful.
The human species has never gone extinct, not even once! How could anyone ever believe that it would? And yet, it has happened to many other species...