This reason I think more than any of the other reasons stated is the cause. Once the financiers took control and ensured they would reap the majority of the re

This reason I think more than any of the other reasons stated is the cause. Once the financiers took control and ensured they would reap the majority of the rewards, the risk/reward ratio was no longer there for many workers who gravitated towards big-tech instead. Now big-tech is pushing burnout culture hard, and with higher interest rates limiting capital investments from VC's I wonder if we will start to see movements of people away from big-tech to more traditional startups again in the near future? AI startups I believe are already showing this trend away from big business (and even away from their own 'big business' towards smaller startups within AI), but that probably falls more into the group that "believe in the 'mission'" as you point out.