Earlier quoted context omitted.
Copyright and patents are absolutely not the same thing at all. A patent makes it illegal to use a particular idea, by any means. It is a limited-time universal monopoly on a set of specific "claims" (the selected applications of the idea). It has nothing to do with whether someone copied you or not. A copyright is a prohibition on someone copying you, with certain exceptions where they are allowed to do so ("fair us…
I think you want them to be meaningfully different, for whatever reason, but at the end of the day, they both come down to "if I did the thing you already did, and that you laid claim to through some form of artificial statutory fabrication of rights, you can sue me". Whether that means me exploiting having heard your song by playing your song myself, or exploiting your invention I examined by building it myself, the…
Blurring distinct laws and their nuanced purposes into some generic "I call dibs!" principle is exactly what the propaganda part is. Because that creates a kind blurry haze in people's minds that even fills gaps that none of the existing laws currently block out. So people will feel like "that just feels illegal, but I can't exactly say what it violates". A kind of FUD around doing all manners of free intellectual activity in society.