Except that Facebook has been integrating their sign on service into various acquisitions - using Zune (or any hardware) was quite hyperbolic of me. For a more even handed comparison: I'm not required to use a Live login to authorize with github.
I'm a bit doubtful of this. It's possible but Microsoft uses Live for both business and gaming, but they've only had a track record of forcing Live account adoption onto users in the gaming sphere. It may happen, sure, but I don't think it's likely.
That all said I didn't think it was likely that Minecraft would switch over to using Live accounts since Minecraft is so famously cross platform and Live accounts have struggled with that in the past.
They're also boiling the frog on Windows local accounts at the moment. It's no longer possible to set up a new install of Home, or Windows 10 (any SKU) in S mode with a local account without either disconnecting internet during installation or going back and converting to a local account after
