” What do charedim financially contribute to the state?”
What do chilonim spiritually contribute to the state?
You are making a false assumption that all non-charedim are relgion hating secularist, which is false.
Many Israels are either Dati Leumi, or Traditional (Sephardim who partially keep stuff, they go to shul, Eat Kosher and go to the Beach after Shabbbos lunch) and similar