@LinusTech, Can you please have a look at Aster Multiseat?
I got inspired by your videoseries "7 Gamers 1 CPU", and I wanted to find out if it was possible do something alike, but more like 1 CPU 1 GPU 2 Gamers. While googleling around, I stumbled upon a program called Aster Multiseat. As I understand it, it's a program that changes windows to work as a multiuser environment, where each user got their own screen, keyboard, mouse, ect. I think making a video about exploring this program would be a fun and educational video to watch, and it could be the "more reasonable" sequel to the "7 Gamers 1 CPU" for when you got a friend over at your house.
Aster Multiseat: https://www.ibik.ru