In retrospect I shouldn't have posted that original message when I did. I was absolutely flat-out beyond-normal tired, had tried to pass that scenario about a dozen times or more (to no avail, alas), and so in that moment I was venting way more than I should have.
Ack, now looking back at the thread, I see that I was being asked by JonS if I was unfamiliar with the Falaise Pocket. I was obviously reading the question the opposite way, because like I said, I've been familiar with the battle for quite a long time. Everything went downhill after that.
My apologies to all. I see now that my mistakes were manifold in creating and replying to this thread.