Main reason is money. They found a hype inducing thing and circle hyped it. Nvidia especially.

This is just a side-effect. A nasty one.

Disclaimer: “AI” is not completely useless.

its useful for propaganda, because googles video AI is very hard to tell unless you have been exposed to ai videos for a while. and Right wingers are less likely to tell apart propaganda AI and real news.

And for the surveillance and defense contracts.