Because that’s where people are?

Also sometimes they will change your sex in the process.

If an AI has gained the power to overthrow governments

Facebooks algorithms are pretty close to this ability. But AI is not the problem - artificial consciousnesses would be, since it would gain own agency. And for all we know consciousnesses might be just a byproduct of a complex enough neuronal network with enough recursive loops and it already managed to appear more or less random at least once.