I'm surprised this isn't law. Should it be?
Why do people think new laws are needed to solve every last problem in the world?
Google implemented caps because their competitors offered them. Before that, customers could choose one of several competitors, rent the GPUs at a fixed rate, or buy the GPUs and install them on-premises.
At no point was any law needed to solve any of this.
So if you use more electricity next month the CEO of the electric company should be put in jail?