p(doom) is 100% and it's silly to think it's anything less.
As soon as anyone figures out how to build SI, all it takes is one person to run off with the secret sauce and build a malevolent version of it.
https://www.theguardian.com/technology/2025/jul/14/elon-musk...
But consider, in the alternate universe where we never invent AI, economic p(doom) is also 100%. Humans are fragile and short-lived.
If you have a single AI that is capped at an intelligence ceiling equivalent to human levels of intellect, what is stopping you from running fifty of them, in parallel, at fifty times faster than our normal human clock speed, as a team?