Well, dang! No million for me.
Well no, no millions for you because DOC repeating the same arguments again is a metronomic, not a miraculous occurrence; but I believe you
did identify the exact DOC argument all the same; he's making the claim that obviously our friend coming running in an illiterate passion must mean he genuinely believes the British are coming; if he'd lied, or was acting, he'd likely be more grammatically convincing...
... which of course, even back in 1776, you'd have to be a fool to believe was true in
every town in America, unless the British had somehow invented teleporting Redcoats, which were powered by the blood of colonial children; I mean, just imagine DOC running into 1776 New York City...
DOC: "The British is coming!"
Thousands of Loyalists: "Yaaaaay!"
... but still... in DOC town, it really would be "Redcoats!" And what's worse, they bring with them documents that have THE SIGNATURE OF THE KING upon them! And we all know how important signatures are! Don't take the time to think, because Mad Hairy Mountainman Mikey here says that they are definitely coming! REDCOATS!! PANIC!!!
Satire, but not by much. Always remember, if someone tells you something that agrees with your assumptions, no matter how ridiculous or unlikely,
don't take time to think! Things really are as simple as you'd like them to be!