He could just as easily have found himself in a company that wasn't as accommodating or healthy and foundered.
Unfortunately it's hard to assess how bound to processes a company is until you're well past the onboarding/honeymoon phase.
Or worse, in my unfortunate experience, finally land at a company light on procedural, reasonably good at executing, and investing in improvements to the development stack only to have that crushed by a supermassive org acquisition with absurdly burdensome procedural overhead and have that overlay existing practices rather than supplant them while still expected to execute not only as if nothing had changed, but as if we should have improved thanks to it all thus setting me back effectively years professionally and rendering my time investment almost entirely void...