I think it is quite likely that we as a society would be better off without any kind of copyright or IP. This might prevent some of the parties doing huge upfront investments in some of the projects, but if we learned something from OSS and, most importantly, Linux is that gradual and tiny improvements over 30 years can compound to a behemoth that eats any commercial solution for lunch.
I am not sure I agree with this statement in the absolute. I think about art, and artists as a musician myself. One advantage of copyright is that it does, indeed, give artists recourse when people use their works without compensation. The photographer whose picture was copied and pasted onto an advertisement. The musician trying to sell their first album. You could argue that litigation is too costly for an individu…
You've seen this on a small scale in areas like clipart. It's not a very lucrative business though and it does mean you only have creators with either "passion" or money.