Of all of his management notions, perhaps the most distinctive is his belief that harmony is often overvalued in the workplace — that it can stifle honest critique and encourage polite praise for flawed ideas. Instead, Amazonians are instructed to “disagree and commit” (No. 13) — to rip into colleagues’ ideas, with feedback that can be blunt to the point of painful, before lining up behind a decision.

From this long NYTimes piece about Amazon’s working culture. Presumably attitudes like these will continue to alienate people who aren’t white / male / young, and Amazon will falter as a result; I can’t see many people mourning them when they do.