Well said, a mamin.
Saying “tznius gone too far”, r’l, is akin to saying “kashrus gone too far” or “chesed gone too far”. No such thing.
As an aside, the Chofetz Chaim (and I think the Chazon Ish as well) paskens halacha l’maaisa that tznius starts at age 3. Who are you to tell them who to pasken like? Even cartoons of pritzus is wrong.