Not "just" energy prices (which is important!) but even things like your home. Pulling >1KW through a single power socket (or 1.5-2 KW once you account for CPU, monitor, etc.) is non-trivial for a lot of people.

At that level you're really in the territory where people will trip breakers in their home. This is "you have to hire an electrician and rewire part of your house" level of power consumption, which doesn't seem sustainable? Or at least "don't turn the stove on at the same time", which seems like an awfully disruptive way to ask people to live.

Heck, at that level for homes/cities with older electric service at lower amperages, the computer is now a significant fraction of the total service capacity of your connection to the city grid.

What's the response then? "Sorry you're not living in a new build home, forget about gaming"?

For me the wall-power isn't a huge issue but now you have to think about air conditioning. 1-2KW dissipating in a closed room heats the room up fast. This is already a problem with the RTX 2000-series that I'm running now and it seems like it'll be even worse.

"Glad you want to game, now please evaluate your home's electrical and HVAC systems to ensure they are compatible with a giant box pumping 2KW of power and converting it directly to heat"