Earlier quoted context omitted.
I'm strongly generalizing here, but the overall population statistics might mean that minorities hiring minorities is more of an outlier than white people hiring white people. In a predominantly white society, it is perfectly conceivable that you'll hire predominantly white people even if you are completely unbiased, purely because they are strongly over-represented in the population. White people hiring white people…
https://www.census.gov/quickfacts/fact/table/US/PST045221 Anything not aligned with the breakdown here is just straight up racist hiring practices - 60% white, 20% hispanic / latino, 15% black, 5% asia (subcontinent & se asia).
So, every field and job market has exactly the same distribution as the entire country?