A private company managed block list is very different in nature to requiring that adult content providers implement age verification, with a human regulatory process that kicks in if they refuse.
Indeed one could argue that by making this a requirement of the website, and making the web safe by default, it negates the need for these overly puritanical 3rd party blocklists and actually increases access to non-pornographic LGBT material. It's a weak argument, but two can play at that game...