There’s not much I can gather from that guy, as I don’t speak Japanese. I will say I’ve seen several media bits showing Japanese fans remaining after games to pick up trash. It makes me think we could benefit from some parts of Japanese culture.
The main takeaway I got is he said Mexico City people were very friendly and welcoming. For the US, he said the cost of living is high compared to Japan and everything was expensive; he buys groceries in the US so he can cook to cut down expenses.
The Japanese believe that cleaning up after yourself is a moral obligation; similar to what the Germans believe about punctuality.