All pictures are unnatural. All pictures are sad because they're about dead people. Paintings you don't think of in a special time or with a specific event. With photos I always think I'm looking at something dead.
Americans have so far put up with inequality because they felt they could change their status. They didn't mind others being rich as long as they had a path to move up as well. The American Dream is all about social mobility in a sense - the idea that anyone can make it.