Of course in reallity things are usually more complex and wer are talking about two different opinions A and B that aren't even inherently incompatibly but just some motivations for A would lead to ¬B and vice versa.
But un this particular case I think the flaw is in your assumption that the majority wants stricter copyright law for AI rather than wants the same copyright law that humans are beholden to to also apply to AI, wether that law is the current may-as-well-be-perpetual-monopoly or 0 copyright or anything in between.