Yes, they don't need to put their hands on CB coins, they will just control CB. I don't think they will take BTC out of people, but if you spend it its likely it will go to gov hands and w you won't be able to recover refill your stack.
Discussion
Yeah it's gonna get real tough to stack sats once they shut down the onramp services. This is why every pleb should be looking into home mining or otherwise form relationships with local miners. Decentralize mining and ensure your income stream in a bitcoinizing world.
Secure a self-sovereign source of sats stat!