If one is using scope that has working glass/iron switchability then one should be pre switch to a different Optics mode without going to ADS specifically.

If you have AK with PSO scope and you go to ADS and then switch to iron sight and then release your ADS you cannot switch to Glass mode without first going into ADS. Optics mode will always stay on the last used mode.

This feels really stupid when you are aiming for authenticity and a real person can decide beforehand which optics mode he/she is going to use when going to ADS if situation requires it.

Arma 3 once again does this already.