I think this article misunderstands the list of supported processors. The Microsoft page is for hardware developers, e.g. laptop and desktop manufacturers. They shouldn't be using CPUs that aren't currently manufactured/supported anyway. I don't think it restricts anyone running Windows on their existing older hardware.
I'm still on an i7 4790K, and it's not listed as a supported CPU in the lists for Windows 10.
I'm still on an i7 4790K, and it's not listed as a supported CPU in the lists for Windows 10.