Ask HN: Is patio11's salary negotiation guide relevant in today's market?

The market has changed a lot since this classic blogpost[1] on salary negotiation was written. With no specific numbers to back it up, it feels like demand for generalists SWE has decreased, while supply has increased by a lot.

In this market where every company out there tries to minimise costs, is there still room for salary negotiation for generalists that interview with non-FAANG? Do you have any industry insights or anecdotes to share?

[1] https://www.kalzumeus.com/2012/01/23/salary-negotiation/