The quality is quite high, but an observation is the direction they're taking these models correlates heavily to the usage demand of China vs the West. Specifically, they're immensely focused on t2v for action / high effect shots. There's one human reference shot in the entire release page, and that one doesn't focus on dialog at all. For filmmakers I've talked to in the US, one of the biggest demands they have is v2…
why you also didn't consider population size different ??? China have 1.5 billion people vs US 350 ish
https://en.wikipedia.org/wiki/Film_industry#Largest_markets_... ("Largest markets by box office revenue")
United States and Canada $8,870,000,000 2025[175]
Europe $8,200,000,000 2024[176]
China $7,400,000,000 2025[177]
Que revenue China is the same as Europe/US. Population does not matter so much, its revenue generated by the area.