They can suck the air out of actual understanding of the legal situation at hand and, in the worst case, lead to an warped understanding of copyright that interacts with the world with supposed magical incantations that are legally totally meaningless or even the opposite of the truth. (I’m thinking of those YouTube videos e.g. showing some snippet of a film uploaded by someone who doesn’t have the copyright with the totally bonkers “copyright Universal 2020, no infringement intended” note. I know, that‘s mostly about someone who is not a business and who usually doesn’t have anything to do with copyright being confused about the difference between attribution and copyright and thinking giving attribution gives you copyright – which is bonkers. Fair use does require attribution, but simply copying something verbatim is certainly not fair use.)