Your claims are only anti-predictions relative to science-fiction notions of robots as metal men.

Most possible artificial minds are neither Friendly nor unFriendly (unless you adopt such a stringent definition of mind that artificial minds are not going to exist in my lifetime or yours).

Fast AI (along with most of the other wild claims about what future technology will do, really) falls afoul of the general version of Amdahl's law. (On which topic, did you ever update your world model when you found out you were mistaken about the role of computers in chip design?)

About MWI, I agree with you completely, though I am more hesitant to berate early quantum physicists for not having found it obvious. For a possible analogy: what do you think of my resolution of the Anthropic Trilemma?