And if it does, it won't matter. How do you even ban Bitcoin? Are they going to set up a great firewall? Cryptocurrency isn't the type of thing you can just ban.
It's in the US's best interest to embrace it.
Edit: the best downvotes are from people that missed out on the technological innovation of a lifetime.
Then it's going to stay alive. Look at Uniswap, Sushiswap, 1inch.
That's a strong reason for governments to ban them.
Governments derive their power from their ability to raise taxes; and they need to be able to measure how much people and companies make for that. Governments can't tolerate a widespread bitcoin.
So what? You can easily put a layer of legal red tape around something, so that individuals cannot reasonably use it, but allows corporations with large legal departments can continue.
The Ponzi bubble will need to largely pop on its own, or will need to be popped by governments other than the US.