> they did hire the correct people, but working there is so unpleasant that very few people decide to stick around.
There are plenty of Amazonians who can handle the culture and stay much longer. It's clear they are not hiring those who can do. It's not an "alternative" hypothesis, but the same one. They haven't figured out how to identify those who can handle it.
And this, given how heavily behavioral their interview is.
If they need people who are immune to how much shit their work environment is, they should fix their work environment instead of selecting those who are fine with Victorian sweatshop-like conditions.
If the problem was a loud office you'd say they should select for deaf engineers instead of fixing their shit.
There are plenty of Amazonians who can handle the culture and stay much longer. It's clear they are not hiring those who can do. It's not an "alternative" hypothesis, but the same one. They haven't figured out how to identify those who can handle it.
And this, given how heavily behavioral their interview is.