I must be a different type. To me, the Star Wars movies started sucking after they rescued Hans Solo in ROTJ. I saw one of the prequels because the family wanted to see it, but don't remember much of the plot. The Force Awakens was A New Hope. Not going to see Rogue 1 if I can avoid it.
I was a big fan of the Marvel movies, but after finding out what a jerk Chris Evans is, I don't really care to see them either.
The thing is, though, as others have noted, the new Will Smith movie bombed cause it sucks, not cause of people refusing to see a movie cause Will Smith is in it. Heck, Jane Fonda could get people into the theater, and she's a traitor. It's all about if people enjoy the movie. Nothing else.
The Force Awakens was in my opinion the very worst of them all. Rogue One was actually somewhat good. As I said, for those of us who played Star Wars Galaxies, many of the scenes appeared to come from the game. The scene with Darth Vader on the lava planet in the building is a direct copy of the building in SWG. The whole movie seemed highly influenced by SWG, including many of the shown spacecraft.