I don't think you understand how little, efficiency, is going to work.
I could run my 3080 full time at full bore and it'll cost me $40. That's 24x7.
The average user is taking $10-$20 a year Delta.
If you want people to actually switch, it needs to work. Now where are the 5 nerds here to tell me it's bug free but I just need to get rid of my Nvidia card π