I was looking through my logs yesterday.

Bad bots don't even read robots.txt.

The worst ones treat it as a target.

AI scraper bots don't respect robots.txt

I think that's the point, you'd use robots.txt to direct Googlebot/Bingbot/etc away from countermeasures that could potentially mess up your SEO. If other bots ignore the signpost clearly saying not to enter the tarpit, that's their own stupid fault.

The ones that survive do