Hollywood is a slow-changing beast and relies largely on convention whenever it can. What worked before is bound to work again, and until a genre or movement is beaten into the ground at the box office, nothing new or different has much chance to thrive. Taking a chance just isn't attractive when hundreds of millions of dollars are at stake, and the more hedged bets, the better.
Source：https://www.cbr.com/hit-movies-predicted-bombs/
