As someone that uses his iPad with a Bluetooth keyboard frequently, I'd say the bigger issue is lack of mouse support in iOS.
It's terrible to have to keep reaching up and pawing at the screen.
It's terrible to have to keep reaching up and pawing at the screen.
I installed a few things from the Cydia store to overcome what I saw as missing functionality--stuff like adding a number row to the keyboard so I didn't have to keep toggling between letters and numbers, improving notifications, forcing resized phone apps to use a higher resolution, etc.
One major app allowed me to connect a bluetooth mouse and use that for typical mousy stuff. In the years since I was tinkering with that iPad, I've seen so many of my initial complaints fixed so I'm surprised that mouse support isn't on the list yet.