Imagist
Worshipper of Athe.
I think Enoch does have a point. Do we really want them to pay taxes and then claim a stake of government funding if they ever need money? At first I thought, "well why not" but when you bring true economics into it, and you see that tax payers all get a say in where their taxes go, I feel less confident that I'd want the Church of any denomination to have a say in the matter.
Corporations are no different. Corporations have too much say in our laws; do you really think removing taxes from corporations would fix the problem?
There isn't a tax-to-votes correlation of any kind. Nontaxation of churches protects the church, not the state.