This is referring to a few books that were banned from school libraries a while ago (not sure what they were doing there in the first place).
Anyway, one of the books that were banned showed males sucking each other off. That’s hardly something you would be eager to show a kid unless you are a groomer. A common theme between these books in general was that they were pornographic. The fact that there was, and still is an outrage from the LGBT community till this day because of the bans is telling.
Also, do make note of the people here comparing the bans to Nazi Germany. Yeah, not showing kids gay porn is like being a Nazi, apparently. Disgusting.