MS wanted devs to use Direct X, Sony turned them down with the PS2 and MS decided the only way to spread DX around was to enter the console division. This is all about MS's DX software. The more Devs that use it the more money they make etc. DX has been a big part of windows gaming way before Sony even released there first console and since the console market was growing, MS tried to buy out Nintendo and implement DX with Nintendo's consoles, The big N said no, MS went to Sony and Sony said no, MS tried to buy out Sega and Sega said no, so they basically made there own console which became Xbox (Direct X Box) Sega's spiritual successor.
MS will always be in the gaming industry, there one of the oldest serving companies in the gaming market and they will continue because Windows gaming is one of the big reasons why people buy Windows over any other OS. DX12 and Windows 10 only proves my point. Its the best duo to have and will become a lot bigger once all there divisions are unified.







