Your tone makes it sound like this is something terrible. Why shouldn't Chinese people have just as much right as anyone else to buy things they want, if they have the money for it?
Funnily enough I was just reading, locust is apparently a reference to the evils of capitalism. From Bloomberg [1],
> Within hours of Heinrich Hiesinger stepping down as ThyssenKrupp AG chief executive last week amid pressure from activist investors, the talk turned to “locusts,” Germany’s catch-all term for the evils of Anglo-Saxon capitalism.
It's more a reference to what is going on in HK (infamous ads from 2012...) and nearby countries.
Baby formula is one example or straining the overall health care.
