Who doesn't love a good rivalry? From the Red Sox vs. the Yankees or Star Wars against Star Trek, it's fun to join in with some good-natured ribbing towards those on the opposing team.
“You can please some of the people all of the time, you can please all of the people some of the time, but you can’t please all of the people all of the time.” ~ John Lydgate “There’s a sucker born every minute.” ~ P.T. Barnum
Outrage used to take more effort. You had to take a pen and put it to paper and scribble down your discontent. You could even reconsider those angry words, tear them up, or rewrite them before popping that letter in the mail.