Thanks, BZH; you've expressed it better than I can.
Bluefish, we moderators (in addition to fighting spam) keep an eye out for discourteous posts and for anything getting really off-topic. I don't think that any of us moderators consider the responses here off-topic, especially since your subject line was "trail snacks." The original poster has no ownership over a thread, although we mods do try to keep things within bounds. Nor is the Original Poster obliged to dispute every response. I can think of a few things that could have gotten this thread way off topic, but I don't want to give anyone ideas!
The other aspect of a forum is that most of us are also addressing other readers who may happen along and not just the OP. For example, I always have in the back of my mind that beginners lurking here are liable to read my posts.