Yes, Gavin ... although I understand how much time you have obviously put in, I would suggest that such a task should not have been campaigned for, if you didn't want to, or weren't aware of ... the sacrifices those in voluntary positions must make. Been there, done that, got the t-shirt!
I also agree with Andy that, "I have always answered questions put to me," unfortunately, doesn't cut the mustard. I for one, expect the Board to be proactive in communication, not solely reactive. If the pain had been shared earlier, you may have found that many of the grass roots members may have been more than willing to either help ease it... or, at a minimum, have had empathy with it.