On the flip side, nearly 100% of PoW mining hardware is manufactured in China. They could easily play geopolitical games with the west in that regard. There is

On the flip side, nearly 100% of PoW mining hardware is manufactured in China. They could easily play geopolitical games with the west in that regard. There is also a very delicate game to play if you're trying to hack a crypto for your own benefit. If a crypto network gets hacked it is likely to lose a ton of value and reputation. That's why ETH fell by 60% after the Dao hack. So you're really shooting yourself in the foot by being a malicious actor.