You can create an entire VFX short film with an high end pc. You can simulate fluid mechanics and invent a new revolutionary propulsion system for aircrafts with an high end Pc. You can train a NN to recognize perilous situation from webcam footage and distribute the weights freely on GitHub With a HPC. There are Miriam of things you can do with a powerful computer.
This law is stupid, a single EV recharge consumes 100x more than a HPC every single second.