no kidding lol.
just because it took the other companies many tries and generations to end up with a super clone of the PS controller
Because it's fine as it is?
The PS controller is horrible, but I've gone over this a hundred times and I'm not gonna argue it. Essentially, I think the gamecube controller was the most well-fit controller, but too flimsy and made of that stuffty plastic. The 360 controller, while not perfection, is very comfortable, and durable. Everything feels responsive and well-conformed. Not made out of that cheap Japanese plastic, or at least it appears that way. The Wii is just a stupid controller altogether.
Furthermore, the controllers weren't "tries", they were changes. Developments in technology required different things, and engineers created different ideas. It's called progress.