There's really so much physicality to interacting with objects that we've lost as we switch to more and more touch screens and capacitive buttons. Also the reassuring "thunk" of a nice chunky button to confirm you've pressed it is just so important to user confidence
> Don’t you just want to rotate it, no matter what it does?
A grandparent's house had light switches that looked kind of like this but black (bakelite). And they are very satisfying, a good amount of resistance while rotating, then click.