Most English speaking people everywhere speak with some variation on "formal" English. Even the received pronunciation in South england and london is relatively modern.
If anything, some American accents are closer to the English of the late 18th century than many British ones are, and the "official" received pronunciation is not without its fair share of critics.
If anything, some American accents are closer to the English of the late 18th century than many British ones are, and the "official" received pronunciation is not without its fair share of critics.