It's a delightful clip, O'Tink...I had actually been looking for it, so I could add it to my YouTube favourites...ty
That bit about Hitler seeing the Brits as Aryans, and (apparently) losing his best chance to win WWII, at Dunkirk, before the USA entered...it's a good piece of the puzzle, and I was surprised. But you confirmed what I saw on YouTube, and I know you are careful with your knowledge and conclusions.
And then last night, I watched a history of King George V and Queen Mary (German princess); and -- you will already know, I am certain -- they are the ones who changed the royal surname to Windsor, from Saxe Coburg-Gotha. (Oh, and the spellcheck wants to write that Gotta!) In fact, the makers of that video gave George V & Mary credit for saving the British monarchy, at a time so many were tumbling. I found their story quite moving, in addition to more understanding on how we got where we are, USA and the world...