The discussion about the energy consumption of bitcoin can only be discussed because we know how much energy it takes to produce one BTC. What we don’t know is how many banks there are in the world with all the computers and mainframes they use to keep track of all the fiat money. And then of course the energy to produce a hardcopy of that money like knocking down trees and mining metals.
So in my opinion we only can have a useful discussion about energy consumption of BTC when we also know the current energy consumption of the banking system. Which I think is a lot more…….