[barrkel]

That's a lot of evidence free speculation. "Many people believe", and you doubt any studies that show the opposite.

[Herring]

Meanwhile China is listening to their experts

https://www.china-briefing.com/news/chinas-entry-exit-k-visa...

https://www.youtube.com/watch?v=jC8f1qs3TGs

That's life, I guess. There's an ancient Chinese saying: Wealth does not last beyond three generations. Too much easy money probably makes you stupid, like trust fund babies.