[gloomyday]

There are simply too many games, and many genres are underserved by AAA studios.

[ahartmetz]

Strange things are happening regarding genres served by AAA studios. Some of them come and go fairly quickly. There was a brief resurgence of strategy(!!) games because of XCOM.

[Sparkyte]

AAA run to the formula that works as a safe bet, when they want risk they just borrow an existing concept and sell it harder.