That’s partly what I myself tried to hint at with the question and the parenthetical remarks. Various forms have their own claims to “legitimacy”.
And the whole issue somewhat surprised me, because I never even considered that there were these different pronunciations at all. I’m not a native English speaker, and I’ve always used a more French-like pronunciation of “Godot” that is used in my native language. I expected neither the inital stress nor the -ough diphthong in English, but a more French-like pronunciation. As much as I feel comfortable in English and use it every single day, some of these quirks in pronunciation can still catch me off-guard.
According to what I’ve read, they do stress the final syllable of the phrase (including multiple words). To foreign ears, this is simplified into always stressing the final syllable.
I absolutely don’t trust videos such as the one you link because they’re frequently made by non-natives. I’ve personally seen a number of them using obvious non-native (English) pronunciation. Also, I’d say that particular recording has equal prominence on both syllables. But I wouldn’t take it to be representative of French either way.
https://youtu.be/__bLxInvVsM - this should be better