Maybe I'm reading a bit too much in it, but the top comments seem to have a bit of discriminatory tone: China = pyramid scheme or money laundering. When 1997, 2007, SF real-estate, unicorns with no earnings, all happen(ed/ing) in the US, in addition to Bernie Madoff. The original article topic is industrial companies buying tech and the arbitraging of valuations.
I think maybe you are reading too much into it. Adding "value" to a company's bottom line by purchasing assets COMPLETELY outside of the core competency of the company tilts the scales toward cooking the books and away from creating actual value.
No, I'm saying is: you're right "1997, 2007, SF real-estate, unicorns with no earnings, all happen(ed/ing) in the US" - and now there is a similar thing happening in China too.