The first part on rural Britain and the Industrial Revolution was brilliant. Perhaps a bit more on marine exploits could have been added.

Danny Boy is universally appreciated. The perfect selection.

Hobbits- I would have preferred a salute to Tolkien rather than Rowling.
He said so much that is memorable. Two lines that would apply to England as portrayed in Danny Boyle's evocation:

The old that is strong does not wither,
Deep roots are not reached by the frost.