Yeah cause there are so many training facilities sitting around just waiting for someone to take over, nobody would notice a 100k server data centre going off rails
You jest but you'd be surprised how little there is of correlation between money and competence.
But think back to 1990. Computers were slow as fuck and barely networked. We had a few worms and everyone noticed.
Now CPU based data centers cover the earth. There are billions of computers out there and on top of them there are massive botnets using up billions in power and causing billions in damages.
The framework for AI doing this is already here. We just need the hardware to be built out at scale.