So the reality of the NFT marketplace right now is that there is no way to technically enforce royalty payments for artists since it's up to the platform to decide to honor that or not. (Search the phrase online and you'll see that it's the talk of the industry right now - this includes the original artist for those monkey jpegs too, btw - she was left out of the...
Decentraland (MANA) has recently added royalties payments to their wearables market -- it might seem like a small thing right now, but testing out economies in "for fun", low-risk products like avatars pave the way towards more serious applications like NFTs, copyright, and asset markets later on.
Right now, the crypto community is still unlearning the bad habits...