Are they? With cryptocurrencies I can at least conduct commerce. With gaming PCs, I can... play violent videogames?
This law is stupid, a single EV recharge consumes 100x more than a HPC every single second.
If we can legislate less environmentally harmful ways of doing commerce, why can't we legislate less environmentally harmful forms of entertainment? This is simply the logical conclusion of that line of reasoning.
I would imagine kids that are exposed to violent video games at an early age may not understand it initially. It's very possible they will emulate it. But continuous exposure to it will help a smart kid understand and control it.