At some point there might be a DMCA-like law that makes such adversarial clothing illegal.

They've made covering your face illegal in lots of places before the pandemic made it obligatory. We had protests here where people wore masks and masks were swiftly banned. It's ok for police though.

I would expect it to be covered under any existing laws about circumventing security systems or impeding law enforcement. A more specific law would probably pass in this environment though.

That was my first thought too.

Remember to change the location of the marbles in your shoes frequently to avoid adaptive gait recognition