In this setup, the user Velcros a Magic Keyboard to the side of the desk on the right -- just so they can reach the Touch ID button. It’s easy to get addicted to using Touch ID whenever you need to ...
I've got an older (M1, IIRC?) iPad Pro, with a Magic Keyboard. Expensive, but it works great for me. I use the touchpad all the time when the keyboard is attached, I loathe having to move my hands off ...