How does Anubis stop bots?

The real answer is that it makes sites behave different requiring the bots to make slight adjustments.

And there are just not enough sites using Anubis for the people and companies running the bots to care to do that.

If you do care bypassing Anubis is trivial.

xena 2 hours ago | parent | prev [-]

Bots don't execute JavaScript or follow complicated redirects.

	▲	pwg an hour ago \| parent [-]
		Bots don't [currently] execute JavaScript or follow complicated redirects. They don't now, but enough "high value to the bots" pages turning on JS or complicated redirects will simply result in the bot authors adding JS execution or redirect following so they can continue "botting" the sites they want to scrape. It's a hole with no bottom. Each one-up on the anti-bot side will eventually be handled on the bot side.