Hollywood has always been mostly interested in making money. So it has, since time immemorable, produced films that hurt nobody* (not even solitary brain cells) by following whatever the latest fashion has been. Good cowboys and bad Injuns; good planters and goofy slaves; heroic Nam vets and evil Russkies, and so on. It has always been Numptywood. And sometimes it is even entertaining...
Karl
* "nobody" of course only refers to your target audience. Black, Hispanic, Native Americans, Vietnamese and other Asians, Russians etc. were game. As a German I have never really felt well represented by all those endless Nazi stereotypes in war films of the 50s, 60s, 70s, 80s, 90s, noughties...