There are no NFTs in Bitcoin.
You cannot inscribe an NFT on a satoshi.
You cannot buy an NFT-inscribed satoshi.
A satoshi is a satoshi is a satoshi.

There are no NFTs in Bitcoin.
You cannot inscribe an NFT on a satoshi.
You cannot buy an NFT-inscribed satoshi.
A satoshi is a satoshi is a satoshi.

Why does each Satoshi have a unique snail trail recording its entire history, then?
A unique history is even 'better' than a serial number. Satoshis were never meant to be fungible, most just haven't figured that out yet.