That's because the big optimization would be "don't cram this entire application into the browser", but we've all collectively decided desktop software is impossible, so.
There are plenty of advanced compiler techniques, but you can't understand them until you understand the fundamentals. There will always be a place for the purple dragon book.
Except our entire sociopolitical system here doesn't incentivize lofty, crunchy-granola companies. The same reason why we're in this mess in the first place is, well... because we're in this mess in the first place. I.e. you have the causality backwards: we don't need alternative orgs to save us, we need to outlaw the more ruthless, race-to-the-bottom business practices that are not only legal, but encouraged. It's not a coincidence that it's getting harder and harder to complete with big, entrenched players, and a worker co-op can't do much when Google has more money than several small countries combined.
The US is one of the most business-friendly countries on the planet (it's why you don't have to provide your employees, you know, rights). No idea what GP is on about.
Behavioral interviews select for people who are good at lying. Why else is interview prep a multi-million dollar industry? I can train anyone to tell interviewers exactly what they want to hear. Do you want people who are honest but maybe say things you don't want to hear? Or do you want drones?