The harder the circumstances under which you're making a movie, generally the better the friends you make. You're far away from home and so you're kind of lonely, and you end up all gravitating towards each other and the bar every night. It tends to be inversely proportionate to the comfort level on the movie, how close you become to everybody.
There's a separation of church and state. If you want the perks that churches have traditionally received, then abide by the rules. If you're going to be involved in the political process, even in soft ways, then surrender the privileges. Let ministers pay income tax on all of their income. Let churches pay income tax, let them pay property taxes. They can't have it both ways. You can't pat the politicians on the back, break the rules, and then get all these perks.