> especially since they’re hoping for global sales
On top of that, a lot of actually interesting content has the potential to cause shitstorms. Like, especially anything LGBT and women's rights won't fly in China, Russia, Arabia and lots of Asian countries. Black lead actors lead to massive shitstorms from the far-right in the USA and parts of Europe [1] - and so, producers leave all that "potentially troubling for sales" content out.
Everything "mainstream" is just the same bullshit now, white- and dumbwashed.
[1] Black Panther and the 3rd Star Wars trilogy were surrounded by some of the most vile harassment campaigns I've seen, for example