With this level of utter incompetence on Microsoft's part, followed by the major problems they've brought upon themselves with Win10, Win8, and Win Vista before that, I seriously cannot see a future where I'm using Microsoft Windows on my next box. When Win7 support goes away, so shall my Windows use.
Win7 isn't without bugs and flaws, but at least is a solid core of an OS throughout.
I honestly don't see MS' ego allowing them to back down the path they've begun, and it's not a happy path. They won't learn from their mistakes anymore.
Aside from morbid curiousity, and from needing to "practice" fixing problems on it, is there any reason at all to even consider running Win10? No, honestly. Serious question. What does it bring, at all, that might take me away from an established and steady OS I already have?