The trick here is to not act on emotion and examine what has hapened.
Look at the rating your area has for insurance based on yoru current fire coverage, then look at what that rate will be when you go back to volunteer,
See what the difference in your Insurance will be each year, if it makes fiscal sense for you all to vote it down then do so.
If it is cheaper to pay the taxes use your best judgement..
I doubt you have a real union I am thinking your state is a right to work state.
How do you establish intent?
Well when a naked man is chasing a woman down an alley with a butcher knife and a hard on, I figure he's not collecting for the red cross...Inspector H. Callahan