Worth the read but I want sources! Anecdotal would work, too, but not so much.

I sense a lot of BS and especially talking about the Chinese migrated to UK/US... he's definitely bullshitting.

I'm currently living in the US and one of the most Chinese towns... what he suggests is not the truth AT ALL.

The Chinese (mainlanders) here still only mingle with their own people. They do mix with the Chinese from Taiwan, Hong Kong, Malaysia, etc but that's rare.
They don't even assimilate with the American culture... If they can survive in Chinatown, they definitely will just live and work in Chinatown (another China for them basically)

Yes you could see ABC assimilating the American culture, and less identify themselves with their own Chinese culture, but we can see similar things in KL like those China mingled with other races.

The main issue, IMO, really is how urban/rural culture affects the people.