In short, Crocker's Rule does not mean "I don't mind if you are intentionally rude to me." It means "I am aware that your assertions might be unintentionally rude, and I will be guided by your intention to inform rather than interpreting you as intentionally rude.

Right, I wasn't saying anything that contradicted that. Rather, some of us have additional cognitive burden in general trying to figure out if something is supposed to be rude, and I always understood part of the point of Crocker's Rules to be removing that burden so we can communicate more efficiently. Especially since many such people are often worth listening to.