I just watched the PBS American Experience documentary “Silicon Valley.” All of the main characters are white and most everyone pictured in the movie is white.
It makes me nostalgic for the California I once knew. When I arrived in the Napa Valley in 1977, California was dominantly white. Most of my friends were white. There was high trust. There were very few illegal illiterate immigrants from Mexico and Central America that I saw.
(To this day, Northern California has more effectively than Southern California discouraged blacks and Mexicans from moving there by using high land-use restrictions to drive up the price of land. Thus they have less crime and less social decay.)
I wonder if Silicon Valley would have been possible with diversity? From watching the documentary, it seems like the electronics industry pioneers there came from similar backgrounds in WASP small town America and they trusted each other and enjoyed each other. Diversity imposes a huge toll on people when it is unwanted. You have to walk on pins and needles for fear of offending others and getting in trouble for racism.
The American pictured in this documentary is obsessed with excellence. I miss that America. It still exists here and there in the USA, but it is getting overrun by the onrushing tide of illegal illiterate immigrants.