I'm not always perfect, but going into enormous depth about the interrelation between controls is something I understand, but don't think about when I'm flying.
Exactly.
But your students might want to know why the ball is on the right when they are in a steep turn to the left, especially when they have been told to give left rudder when in a turn. Understanding that the rudder and aerilons go together is helpful I feel. No airelons then no need for rudder (in a turn that is)
To be honest, my FI didn't make much fuss of rudder either other than to occasionally point out that the aircraft was out of balance. And you are right - one feels it without even looking at the ball.