Disclaimer: this is just my speculation My guess is that he just isn't very savvy about cryptocurrencies in terms of implementation mechanics and legitimately

Disclaimer: this is just my speculation My guess is that he just isn't very savvy about cryptocurrencies in terms of implementation mechanics and legitimately didn't understand the extent of bitcoin energy consumption until the drop in April brought up that correlation front and center in the news when the price drop was attributed to a disruption in mining due a blackout in China. It wouldn't be the first time where he jumped into some topic outside his immediate area of expertise and proceed to get criticized for missing some critical nuances (e.g. the ventilator donation thing, the submarine rescue in Thailand thing)