Once you have two groups of people, each advocating for its own position and reinforcing its own beliefs, people seem to start turning off parts of their brains. Things get emotional. Assumptions turn into unquestioned facts. At this point, people are no longer looking for solutions, or for common ground. They’re fighting an adversary.
Tribalism […] is pretty common human behavior, and we fall into it easily.
But if you take a step back, you’ll notice that the whole discussion between these two groups is now based on a fallacious assumption. People have replaced the actual question they’re trying to answer — «how should this […] work?» — with a different, misguided question: «which of these two options should we pick?»
–Lukas Mathis on false dichotomies.
Mathis is actually talking about UI design here (of the “should the iPhone make an audible alarm when muted?” sort), but this quote seemed pretty applicable to… a lot of stuff, really.