SV doesn't have a "white male" broculture problem imo. Asians are overrepresented as are Jews, compared to their makeup of the general population, both of which don't identify as white.
On a different note, there are two major reasons why you might consider Asians and Jews overrepresented in SV. Jews have historically had major populations in NY, California, Florida and Massachusetts and Chicago[1]. Similarly, Asians have historically clustered in California, NY, Seattle. Asian populations have historically been much more spread out across the US, but some of the largest populations are in California, NY and Boston[2]. Additionally, Asians and Jews have high proportions of individuals working in STEM fields (doctors, engineers, etc) because if you're being discriminated against, in math/science you are either right or you are wrong whereas if you choose a liberal art field like english, there's much more room for teachers/professors to discriminate intentionally or not.
[1] https://en.wikipedia.org/wiki/List_of_urban_areas_by_Jewish_... [2] https://en.wikipedia.org/wiki/Demographics_of_Asian_American...