I can't tell if this is a serious post or not.By the time Xbox 1 + XBSlim + Xbock Scorpio gets close to 40 million install base everyone's gonna be saving up for the PS5 and the PS4 family will have sailed past 100 million. We'll be on PS VR revision 2.0 and be watching as MS lets the VR does mainstream show pass them by.
In all scenarios, MS's future in the gaming industry doesn't look rosy.
The Xbox brand is not going to stop being successful (or stop existing period) just because Sony is ahead.