Aerodynamically speaking it is correct

Can’t find a better picture but visualize a line from the wingtip down to the ground or an imaginary point. This forms a cone shape with the (in this image) right wing higher in the cone then the lower.
So the higher wing has a longer distance to cover.
If your airplane would display static instability or even neutral it would have a overbanking tendency.
Since all GA trainers display stability it’s an academic subject rather then a practical issue unless you’re doing in excess of 45-50 degree banked turns.
As a CFI this is fun and easy to demonstrate after an appropriate ground lesson.