2) Electricity is one of the few things that are about as fungible as money. All your blithering about how "crypto uses only the most environmentally friendly energy!" is bullpucky, since that only means that some actually useful stuff must now run on other, less environmentally friendly energy.
3) You misspelled "I sincerely apologise for my unfounded and calumnious accusation". Please stop being such an egregious arsehole.
② electricity is fungible, but not portable or storable, and is almost all generated within 200km of its point of use (and well under 10 milliseconds). Also, the supply of electrical power is not fixed; it is rapidly expanding in response to demand. So one use of electricity does not imply less electrical power available even for other things in the same location. https://news.ycombinator.com/item?id=27449443 has a much deeper dive on the issues.
③ https://news.ycombinator.com/item?id=27377190 was posted the day before your unworthy comment.