This is a great post, but I take issue with the author's conclusion.
The harsh reality is that most of these so-called Valley Culture startups aren't actually competing in a "tech war." Most have relatively simple CRUD apps with at best moderate usage. Founders delude themselves into believing that they need far more engineering resources than they really do for obvious reasons, and investors have plenty of reasons of their own for indulging and rewarding these delusions.
The good news is that no disruption is needed. The majority of the Valley Culture startups will die off in the next several years and at some point, the economic and monetary policy environment will ensure that they're not replaced with a new batch of Valley Culture startups.
In the meantime, there are plenty of opportunities (in the Bay Area and elsewhere) for folks who don't want to deal with the nonsense.