I have worked with multiple American senior engineers who are not as technically proficient and productive as junior foreign labor. What you are saying is anecdotal.
This is true for your second point, specifically pointing out that asians hire other asians. This is true for white Americans as well. So, how is that any different?
This is true for your second point, specifically pointing out that asians hire other asians. This is true for white Americans as well. So, how is that any different?