The main issue I see there is the power still has to come from somewhere. All this would likely do is move the pci-e power plugs to the motherboard and cause lots of confusion related to: “this GPU only requires two plugs of power, but the motherboard has three plugs, do I need to plug in all three? My PSU only has two pci-plugs.”
Y’all remember when the start menu would actually do a good job searching and opening programs, instead of searching Bing for “Steam”? I don’t want to search Bing for Steam, I want to open Steam, that is why I am typing into the start menu and not into a browser’s search box. They should get their engineers on that search issue. Maybe just grab Win 7’s start menu search code and put it in Win 11.