Not to mention Chicken Tikka Masala.

https://en.m.wikipedia.org/wiki/Chicken_tikka_masala

American audiences are no longer the sole demographic for Hollywood. The audience is global, and high budget films are planned with that in mind. The lowest common denominator is the result.

During his Academy Award speech, Cord Jefferson (who won for the American Fiction screenplay) argued for more low-budget films at the cost of a single big-budget mess. More movies means more types of stories, allowing more niches to be filled. It also creates more industry jobs, and deepens the bench with talent development.

The best way to come up with good ideas is to figure out how to have a lot of ideas in the first place.