Do you find playing melee more difficult?

[Luin]

as far as I'm aware the vast majority of players are on keyboard, which makes working with the camera and movement cumbersome which make melees fast paced reaction based gameplay far harder, players who use controller on the other hand aren't limited by that, with instant camera movement, being able to move in any direction at top speed on a dime, easier access to our hotbar and melee becomes much easier to play and understand

Not an issue, you should roughly know where you're going before hand. Most DPS don't think about what button to press next, that's practice, with few exceptions. If you're worried about whether you can tap a key fast enough, then you need to spend more time on a striking dummy, not worrying about whether you should be using kbm or gamepad.