The main issue of this article is electricity. Another point can be made about the origin of hash rates generated during BTC mining operations. In Q2 2020 China

The main issue of this article is electricity. Another point can be made about the origin of hash rates generated during BTC mining operations. In Q2 2020 China (65,08%), Russia (6,90%), Kazakhstan (6,17%) and Iran (3,82%) comprise ~82% of average monthly hashrate.[1] "Decentralized" :) [1]https://cbeci.org/mining_map https://cbeci.org/mining_map