Cat fights are always a good show.
Before every XML presentation they make, they take a rubber mallet and smash it then tell their audience they want to get past the traditional bashing quickly and get on to the good parts. It was a long road to where developers accept the use of markup technologies and some folks, notably Charles Goldfarb and his collegues put away wealth and advantage to ensure open systems. We didn't get all of this for nothing. Some folks paid the price. Ekam sat.h, Vipraah bahudhaa vadanti.