Comment by smcin

But it wasn't at all just about Bonin: Robert and Bonin repeatedly kept trying to override each other; Robert was giving Bonin some information with which he could have figured out he was stalling (although Robert was also trying to climb); and Dubois had gone to deal with his sleep deprivation without designating either of them as PIC, and when Dubois finally returned (2:11:40, sounds still sleep-deprived based on his confusion) he didn't recognize the obvious stall or take control until they had lost almost all of their altitude.

It makes Air France look worse that all three pilots didn't react properly (or weren't trained or experienced), than just faulting Bonin. And at least two of them were sleep-deprived. But there were multiple systemic failures, not just the pilots.