I don't think that's the case - the article clearly points out how enthusiastic the people involved were at first. To me it feels more focused on a lack of prop

I don't think that's the case - the article clearly points out how enthusiastic the people involved were at first. To me it feels more focused on a lack of proper planning by Amazon for just how hard it is. Things like most of the work being night-shifts is definitely indicative of a lack of prior-research.