Total energy / total transactions is a completely appropriate metric to use. If you could meaninufylly scale the number of bitcoin transactions and could amor

Total energy / total transactions is a completely appropriate metric to use. If you could meaninufylly scale the number of bitcoin transactions and could amortize the high fixed costs of running the blockchain I'd agree with you but as it stands right now, you can't. Yes, I'm aware there's off chain solutions such as lighting but it's unclear to me whether those solutions are viable long term.