> without copyright, all of the profit made on creative works (of a perhaps smaller pie) would get be kept by distributors like Amazon or Netflix

Assuming copyright gets dismantled is a good-faith way, Netflix/Amazon remaining as gatekeepers sounds unlikely, IMO. Free software clients like Popcorn Time provide a better experience and would be able to exist without threats from copyright trolls.

It's also much more robust regarding cultural preservation (as users and organizations can keep DRM-free local copies) and censorship (being torrent-based makes it much harder to delete a movie from existence).