Voting on whether a single country and culture should be a single entity has always been utter and very dangerous nonsense - partition guarantees a legacy of body-bags for future generations - it always has
What would be oyur reaction if Devon and Cornwall (or more likely Liverpool and The Wirral!) suddenly made a U.D.I.
Would you debate it in terms of breaking England up into pieces or would you describe it as utter nonsense?

You seem to forget we've recently had just that. There was a claim that Scotland wanted to be independent. If the referendum that they held had shown the claim to be true, they would have become independent.
And before you say that you were speaking about England, not The UK, my interests are in the UK, not in England.