“Artists are being so entitled”
It’s the law.
Artists retain the intellectual rights to any works they created inherently. YOU receive personal-use rights.
You want the copyright to their work so you can distribute it or create derivatives? Buy it from the artist.
Fellas I need to put this out there just as purely informative to everyone!
There is a lot of confusion I'm seeing on copyright and commissioning.
So let me TLDR you:
The Digital Millennium Copyright Act (DMCA) (USA law)