This myth that Amazon is customer obsessed like what part of Amazon are you looking at?
It was at one time maybe, but like all things you have to adapt and move. I think the article got it right, we've shifted from buildings what's best for the customer to building what the customer *thinks* they want.
Simply looking at check out you can see that customer obsession is false. Littering with tiny text and checkbox trying to trick you to subscribe to Amazon Prime.
Not to mention they can randomly ban account for no reason given.