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> Why is it not already happening very often?

It is, and it will increase as it becomes more accessible.

> This is the first case I've even heard of.

That's because you're both not paying much attention and this is under-reported.

I would wager maybe a quarter of all content on the internet is bot generated. I'm not the first to propose this.

> Seems like you're already proven wrong, unless you're counting on some future change that isn't here yet?

I kind of am, notably AI both becoming better and more accessible. You're right, it might not.