I have no idea if Unreal/Epic has any policy on MetaHuman NFT, but would also like to know. I’m not sure that anyone can legally stop you from using any image as NFT. For example, readyplayer.me has a policy against using their avatars for NFT (except apparently for client agreements, haha). What RPM is doing is reporting infringers to the various marketplaces, such as OpenSea. What the marketplaces do with those complaints I have no idea.