Of course they get sucked into these threads...the buttons are pushed to get them to believe that their world-view is threatened if they don't exhibit the moral indignation that is in direct proportion to their self-righteousness. They will blindly attack anyone and everything to express their outrage as they feel the foundations of their imaginary perfect world quaking by dissenting points of view.
And, a few of us never got over poking sticks through the fences at mad dogs, too!-)
lol
works with the libertarians too
Walk softly, and carry a big stick.
(Like I said earlier, I am just here for the cliches. hah!)