You can still use a controller on pc although you are often at a disadvantage in most FPS style games.
The opposite is true these days. Many of the most popular FPS games like Call of Duty provide ~~aimbot~~ aim assist for controller players. So even PC players use controllers to get the aim assist, which puts them at a huge advantage over MnK players in close and mid range engagements.
Yes, we know. Now show us all of her political work that she's done outside of presidential election cycles.