Did they just get rid of Massachusetts?That's a good one but not it.
The only real American flag in the park is that one that was at half mast. They have a ceremony taking it down every evening.
All the other "US flags" on Main Street USA (and there are a ton of them) are not real because they are missing 1 star and 1 stripe.
That way they don't have to follow the half mast rules and don't have to be lit or taken down at night.