The Oatmeal did a great comic on this, which I think illustrates your point perfectly: https://theoatmeal.com/static/unhappy.html
234 karma · joined December 17, 2016
The right has plenty of problems (plenty!) but the what seems to be unique to the left (or at least much more prevalent/vocal) is this Sith-like perspective that anyone who disagrees (or even just agrees less than 110%) is some kind of immoral/evil opponent for whom no type or amount of righteous retaliation is undeserved.
But of course that might just be be how it looks from the perspective of a "smug, ignorant centris[t]."
I think that's the case, and Mozilla is one of all your friends who are jumping off the proverbial bridge. (Posted from FF, not signed-in.)