I think we are reasonably capable of telling our stories, but we don't have the capacity to 'selling' our stories. High quality products need returns on investment, and 'Hollywood' isn't interested in stories that (a) aren't American and (b) don't have a big name for the marquee. This is a bit of a general statement. I think Dunkirk did ok; no huge actors but Christopher Nolan has been on a bit of a roll.
The one exception to (a) is British war-related stories. In spite of their insularity, Americans do have an awareness for Churchill. The other general exception are stories regarding British Royals. In spite of tossing them out a couple hundred years ago, and mocking anything that involves 'subjects' (including us), they do seem to love the royals.