3. Not working as well as you think. At some point , No country will allow bitcoin mining, because their energy waste threatens the entire power grid.
Speculation & FUD.Try News instead of fud.
https://www.bloomberg.com/news/articles/2021-10-13/bitcoin-miners-fleeing-china-could-overload-siberia-s-power-grid
Bitcoin Miners Fleeing China Could Overload Siberia’s Power Grid