Sure. This problem is as old as the Internet.

The difference is that now there's a way to make censorship resistant payments.

What's the point of having freedom money and privacy tools if you are just not going to use that freedom and privacy anyway? (exaggeration)

The concern is valid. What's left to figure out is how to do it without that risk. Or in a way that the cost of enforcement exceeds the benefit (as in a lot of random plebs all over the world).