This actually makes sense from maintenance/reliability perspective.
It's 100% about programmers wanting to make everything software defined.
Touchscreens are harder to hit buttons right when you're being jostled about by turbulence. Not to mention how easy it is to hit the wrong button even when there's no turbulence. Have you noticed how liberal all smartphones are with autocorrect lately?
https://upload.wikimedia.org/wikipedia/commons/a/a4/Airbus_A...