"Ayup. Based on nearly 50 years of empirical observation (assuming I've been observing folkies since I became one in the beginning of the 60s.) Not "defining" people, though. Just stating what I've noticed. Note the "...for the most part..." "

"Liberal" (except where folk music itself is concerned), I would agree with; "knee-jerk", in my 45 years of experience, I would, for the most part, emphatically reject.

The problem with sweeping statement is that they don't take into account nuances.