Culture war you want? Culture war YOU GOT.
(not said to you, Screaming Gerbil).
First of all, they are obviously cowards for picking on the Morman church and their white suburban neighbors with “vote for prop. 8” signs on their front lawns instead of in the tougher black/hispanic minority communities.
Something to consider is that is they did start something, and it did get to something physical, and the person who they tried to intimidate / harass for supporting Proposition 8 fought back, their version of the story to the authorities would be that they got picked on / were a victim of anti-gay hatred / etc.
Probably best to say back to them something like “Please leave me alone / stop harassing me / etc.” and report them to the authorities for harassment (taking a play out of their playbook).