Hi, Intronaut!
Thanks for the apology. I had see the earlier post, and was a bit taken aback by it. That said, I understand where you are coming from.
I found that different communities of like-minded folks often evolve sets of opinions and philosophies in isolation from others. That has interesting results, including the 'formation' of consensus opinions within these communities that seem perfectly reasonable within that community, but may appear a bit 'off' or even unreasonable to persons outside of that community.
I call this "siloing", a sort of vertical opinion formation out of contact with a broader spectrum of the population.
I've seen siloing in action in a variety of settings, primarily those oriented around some unifying cause or issue. I've seen it in lesbian groups, in feminist groups, in LGBT groups, in men's circles, in community service groups, and even in politics

.
Contact between two groups with opinions formed by siloing can be explosive. (Oh, and dear Susan's Place folks, I'm afraid this is another silo. It is a nice, comfortable silo, but the phenomenon applies here as well. It is pretty much inevitable in any shared interest group moderated to reduce internal conflict.)
Folks just have to remember that when visiting another silo, take some time to get a feel for the language used, the communications patterns, and what that silo considers acceptable or taboo. For example, I'm giving a presentation tomorrow to a group that is primarily conservative, fairly right-wing, and dominated by older Caucasian males. I will be avoiding any hot buttons with that crowd, and personal questions will be deflected with a brief "See me afterwards."
The last thing I want to see is a silo explosion...
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