Stars used to be the what sold a movie to the public. A recognizable face and a "brand" which promise a certain genre and level of quality. Today IP brands like

Stars used to be the what sold a movie to the public. A recognizable face and a "brand" which promise a certain genre and level of quality. Today IP brands like "Marvel", "Star Wars" etc have taken that role. So the stars have less influence. IP is easier to mange and trade, and has less risk of doing embarrassing things.