One of the PlayStation 5's biggest selling points was, unusually, its controller. Though it wasn't a revolution like the Nintendo Wii, the DualSense's added haptics and fancy triggers do really change ...
Some PC games are more fun to play with a controller than with keyboard and mouse. This is the reason why some people would prefer to play with whatever controllers (Xbox controllers, PlayStation ...
Before the Xbox 360 arrived in 2006, using a gamepad on PC was a pretty annoying experience. You'd have to manually configure buttons, games wouldn't detect the controller or show the correct icons, ...