Separate money and state and you get closer to a state where the Government has to streamline its operations. We will see behavior truly good for the planet then, because the Government won't be able to spend trillions on military interventionism and research, and will have to focus inwards on streamlining its own self. Increasing taxes will cause a mass exodus leaving the Governments in a bad shape. Bitcoin can't be confiscated. Holders will just migrate to a country that is good with BTC being used as a store of value to guard against money printing.
This is a revolution against nation states. BTC Energy consumption is negligible compared to the incumbents but nobody talks of those so here we are.
Edit: I am surprised at the number of downvotes and would encourage you to comment so I can address your thoughts on the matter. Meta comment - also surprised that the HN crowd is so divided on the matter.