Not that this is a much better argument unless you ignore the concept of opportunity cost and Jevon's paradox. Green energy going into bitcoin could be used to replace traditional energy sources which could then be turned off. If you keep pumping new energy sources into never-ending stream of new inventions you're slowing, halting or in the worst case even reversing the transition speed.

https://en.wikipedia.org/wiki/Jevons_paradox