All very good reasons, but I am also adding loss of skill and opportunities for juniors to learn, and AI often being dangerously incompetent at some tasks and everyone rejecting the responsibility when it is.
And then there is the extensive use of gen AI-produced slop effortlessly invading every space and making everything suck.
No, almost nobody "fearing* AI believes Ultron or Skynet will literally enslave/wage war on humanity. If anything I'm sure the ones who believe the most in AI superintelligence supplanting humans are mostly among AI advocates.