No idea where you're getting a kilowatt from. My desktop uses maybe 120W or so, with a lot of that going to the AMD GPU.
If we're going to trade barbs over ecological damage, what happens to all those Intel and AMD systems that would have been useable if they had just had updates to the locked/signed firmware, but are instead floating around in landfills because the vendor decided they wanted to enforce their control and not issue security updates?