Can anyone answer a few questions about NFT’s

I understand what they are, i have a couple of questions about them.

Whats the legality of selling an NFT with something that is trademarked of copyrighted. Since the blockchain is anonymous how is coca cola going to take action againt wallet id xx0w203nb0v02324nc0823947g7v0c8n30g when they sell an NFT of their logo?

whats stoping an artist of selling a piece of art and then turning around renaming the art and sellings it again (basically making copies)