I think it's interesting that the big 3 have evolved toward the same general design. Just for a general gaming controller, people want 2 analog sticks, a D-pad, 4 buttons on the right, curved handholds, and some triggers on top. Good design has been streamlined but also express less creativity as people settle on the best and most comfortable controller for most games. I personally don't like the default Xbox D-pad as it's so clicky and crisp like a computer mouse. It makes a lot of noise for just doing anything in a game. And the frequent clicking gets a little annoying. I also don't really like triggers on the back bc they're easy to misfire and make the controller feel like it's split open on the back rather than whole and uniform.