I am sympathetic, I don't see much use for them. But... Just because you or I don't see the use case doesn't mean something should be illegal or that we should

I am sympathetic, I don't see much use for them. But... Just because you or I don't see the use case doesn't mean something should be illegal or that we should go to war with it. We've made this mistake before (prohibition, the war on drugs). If people want to waste their time/money on X, that's on them.