> Besides if Europe / Australia / Canada have much simpler immigration why would any skilled/productive prospective immigrant would even think of US. US wages

> Besides if Europe / Australia / Canada have much simpler immigration why would any skilled/productive prospective immigrant would even think of US. US wages are significantly higher, and it also has a much more developed tech industry (picking the T from STEM since that's what I know about most). The US's tech industry succeeds in spite of their immigration policies, not because of it