what does dr burry mean by his btc mining tweet today

(20) Cassandra on Twitter: "70% of $BTC is mined in sanctioned countries, China, Iran, Russia. Crypto is in a race - add enough reputable agents of commerce to counter and overcome the inevitable coordinated actions of the ECB/BoJ/Fed/IMF/WorldBank-level powers-that-be to crush it. https://t.co/glYdmeTJ4g." / Twitter

70% of $BTC is mined in sanctioned countries, China, Iran, Russia. Crypto is in a race - add enough reputable agents of commerce to counter and overcome the inevitable coordinated actions of the ECB/BoJ/Fed/IMF/WorldBank-level powers-that-be to crush it.