The same could be said of robots.txt

And anything else that might tell them not to access something.

robots.txt predates the modern web though

	▲	dspillett 19 minutes ago \| parent [-]
		My point was that llms.txt not working is no different from them ignoring everything else that came before and probably everything that is yet to come. If they want it, they will take it, polite directives in text files will have no effect.