Oh wow, amazing innovation, Airdrop an NFT as a legal notice to the wallet holder. Yes, that's a really valid challenge, the NFTs can be transferred, although that too can be tracked. However, they can also choose to abandon that wallet so to speak and operate with a new one.
Yup! Still a lot to think about and improve but it's an interesting step
In the lega system, it's all about setting legal precedent