On Monday, all of Hollywood was in a tizzy. Kane Parsons just left  Star Wars  in the dust, Curry Barker somehow got  even more people to see his movie in the third weekend than the second, and to top it all off one of the most popular creators the platform had ever known, Mark Edward Fischbach (aka Markiplier ), on Sunday debuted his winter theatrical hit on YouTube exclusively. The creators (and filmmakers of  Backrooms ,  Obsession  and  Iron Lung , respectively) had everyone scurrying. Sitting in his office in Playa Vista, the YouTube executive Fede Goldenberg radiated more zen. The company’s headquarters are built at the Howard Hughes-built “Spruce Goose Hangar,” and Goldenberg was as unbothered by conventional thinking as the man who designed the real estate around him.…