Silicon Valley is 15% Republican and 53% Democrat [1]. Tech is a highly skewed industry. 98% of Netflix employees donated to Democrats in 2020, 77% of Amazon employees. Overall 84% of political donations in major tech companies goes to Democrats [2].
https://siliconvalleyindicators.org/data/governance/civic-en...
https://www.newsweek.com/big-tech-employees-donate-overwhelm...