The 80's Japanese train station clip also had the conductor speaking clear english in an accent I can't quite place. Slight British tinge to it but not really? Not sure. The ambient audio also makes no sense.

I've seen weird stuff in images that OpenAI sends me in it's promotional emails too. I would think that if you were trying to show off you'd make sure there's none of these obvious AI issues in what you choose to show off with. Maybe they don't really care? "Gemini choose 10 scenes that would be impressive for our announcement and add them to the post."