The tech company offices I visited in 2010 were full of nerds—people who rode unicycles, juggled, …

I think it’s simpler than we may think: don’t hire anyone who hasn’t pushed a git commit in a management position. Knowing code is the new knowing how to read and write, we should be less tolerant of “non-technical”, “in English, doc!” type people in positions of power in tech companies.

This problem existed way before 2010.. it might not have been a problem in companies like Google but it had already been a problem in previous waves of big tech companies. For example in lots of the Telecommunications giants that were building the hardware in the 1990s that made the growth of today's BigTech possible.

The Bozo Explosion: https://kevinpaulscott.com/the-bozo-explosion/

I think there is also another issue on top of that - once you establish yourself as a big money maker (a part of FAANG), a lot of tech people start treating a position there as a way to pad resume or make a ton of money. I am convinced it will shift the culture inside the company towards more corporate mindset.