Earlier quoted context omitted.
Why should the representation of Asians in tech reduce the concerns about the under-representations of Blacks and Latinos in tech?
Because factoring Asians (and Indians, for that matter) in to the equation changes the framing of the argument. Asians are a minority group, but are vastly over-represented in tech, to the point that even white people are under-represented by comparison. The concern about racial diversity tends to focus on the idea that white hiring managers are subconsciously selective against non-white applicants. This doesn't make…
The concern is far more nuanced than that. It includes concerns about the the rates of representation all through the pipeline, from hiring back through University CS programs to differences in access to high quality primary and secondary education.
The problems are largely understood as being systemic, arising from unequal opportunity and different social signaling to different groups, not solely from the decisions of hiring managers.