See some of my previous content. A close friend of mine just left SpaceX. Seven years there, CalTech & Stanford educated, was on the Falcon Heavy flight controls team. Ended up being treated like shit after passing 45 years of age; burned out after nonstop 60-plus hour, 6-day plus workweeks and never used vacation time under threat of termination. He never realized how hated he truly was until he left.