Amazon White Collar working conditions ?

The New York Times has been on an investigative tour in Seattle to talk to current and former Amazon employees the so called Amazonians.
And the result is this long form article with a lot of great insights. Not just into the working of AMazon but into the general work culture of the USA.
The question is whether this regime is actually productive ?
Amazon home page
Amazon is the greatest competitor of Google.
It has an incredible efficient loyalty program called Amazon Prime.
It is the most valuable retailer in the US by market cap.
so a lot of things are going well for the company, but what are the inner workings of the Amazon retail machine ?
click here to take a look inside the company !
Jeff Bezos does not recognize the company from the description in the article while others do seem to find a resemblance between the image portrayed and their own experiences.