For me it’s first person puzzle games. I can think of maybe a dozen off the top of my head that came out in the last decade. I especially enjoy when they’re open world. The ability to just quit a puzzle that’s stumped you and go try something else for a little bit is incredibly refreshing.
6th is GameCube/Xbox/PS2. 7th is 360/PS3.
But that was when shooters were getting worse the fastest. It’s when we started getting chest-high walls everywhere, regenerating health, auto aim, and a general slow down of the action.