Clearheaded:
Yiras shomayim of Hashem is the only yiras shomayim that exists.
You may be refering to Yiras Chet.
“mainly it is lack of acknowledgment of the vital importance of tznius and the terrible consequences when we are not betznius”
Still sounds like Yiras Chet. Perhaps to solve the problem, sources should be provided where it is explained what is required?
I don’t see anyone eating Pork because of “lack of acknowledgment of the vital importance of not eating pork and the terrible consequences when we eat pork”
It is almost as if you are saying the girls don’t believe that “Tznius” really exists.