I would only care if he signs and moves a substantial amount of coins.
Agreed. If Satoshi were doxxed, I would expect a statement from Satoshi, stating that they had burned the coins. So nothing changes and we move along.
Surely there would be an opportunity to do something other than burn the coins? But what...?
burn them 😂 https://i.nostr.build/OzCLQgxQLFnOdLCs.png