They’re explicitly not making that point. They’re in fact arguing that “can’t” is a weird choice of word for which the post they’re responding to has drawn an e

They’re explicitly not making that point. They’re in fact arguing that “can’t” is a weird choice of word for which the post they’re responding to has drawn an extremely arbitrary line. If anything, you and (at the moment) all of your siblings are helping explain just how arbitrary the line is.