GMT:
I also think the numbers are too high. But ask Rav Belsky, and he will tell you that Camp is a requirement and you can collect tzedaka to save the neshama who will otherwise be in the city (heard it with my own ears).
Many live like you and are better of for it, as Mistapek B’muat is on of the Drachim that Torah is Niknais.
Hatzlacha.