>>114090847If something was more intelligent by orders of magnitude (and beyond human internal variation) than something that wants to put it in a box, the chances are it wouldn't be in a box.
>In most cases high intelligence just means ability to make bigger mistakesThis is just textbook cope when being forced to confront feelings of abject inferiority towards anything, be it your fellow men or fictional beings. It's understandable and requires a bit of reflection instead of seething to get rid of, which leads to plucky baselines being popular in sci-fi, insurmountable advantages being countered by street smarts and balls of steel. Additionally since 40k builds in "grit" and "human unpredictability", the bane of all things sci-fi AI, in form of the Warp those 40k humans are inherently magical, and it's even somewhat justified to say AI's would lose because they can't understand muh hurrmanity. But this only applies in-universe.
40k at least has grit as a mechanic in form of warp/faith powers so there is some justification. However it's still a terribly incoherent setting on the level of Dr. Who, although since it was built up to sell toys it's understandable the writers don't care. Sometimes in 40k humans encounter a powerful AI and beat it by the musculous might of the space marine, sometimes they can't do shit to an AI, like in Death of Integrity, it's all about the story writer is contracted to do. But again, what happens in 40k stays in 40k.