As I said earlier, I view both sides with equal indifference. While I find the billboards from each side to be in poor taste, it's simply not that big of a deal.
Intolerance, unfortunately, tends to become a big deal. It ends up with no one being able to say anything that might be construed as offensive.
In an affluent local town, a PTA had a winter” party and the organizers stipulated that no greeting with a religious meaning was to be used, and no students was to wear red and green.