> Let's ground all the planes in the world because they enable drug trafficking.

Let's make absolute pronouncements as if everything in the world is a black and white moral question, rather than assessing things pragmatically.

If we ground the planes, some level of drug trafficking will reduce, the knock on effects are that nobody can travel. Pretty serious to the world economy.

If we severely restrict the ability to transact large amounts anonymously, as we have been doing in the non-cryptocurrency world for some time, we can impact the ability of criminal ransomware gangs to get paid, and the knock-on negative effects are ... ?