How Rich Chinese Use Visa Fixers to Move to the U.S
bloomberg.com
bloomberg.com
Also the US is hardly alone in handing out visas and residency to rich folks. Money is just another "desireable attribute" that countries look for in heir immigrants, on top of the more common traits like education, professional experience, etc.
There are things we can do: increase property taxes and encourage new development. Canada is a huge country and anyone paying property taxes while not living there is clearly a net profit. I agree. I see tons of racist comments out of Canada as well singling out the Chinese.
Your hatred of Americans and the American way sort of undermines the point you're presumably trying to make.