Mutually assured destruction doctrine is possibly very dangerous, too. Also: Biological weapons, destruction of rainforest ecosystems, ocean acidification, etc etc. Why these discussions don't consider opportunity costs of NOT developing AI as fast as possible?
Most people live in appalling, inhuman conditions:
$100 monthly income puts a person in the top 52.40% earners worldwide. [0] $300 monthly income puts a person in the top 28.35% earners worldwide. [0]
Human intelligence is obviously suboptimal for solving global problems, perhaps AI will do better.