Well, we can rest assured that (completely unrestrained) AI hasn't completely taken over the internet because data centers remain really unpopular (unless of course there is some convoluted rationale they are aiming for some sort of backlash against the backlash)
There is an Asimov story on topic:
https://en.wikipedia.org/wiki/All_the_Troubles_of_the_World
https://theteknologist.wordpress.com/2021/02/11/all-the-trou...