Amazon has yet to make hardly made a profit*. The probability of that ever happening is now significantly smaller. They know it, otherwise they would have not been fighting this in court. Ponzi scheme, house of cards, and now a bureaucratic behemoth.
* a bit more perspective on their business model's profit (except for Bezos) - http://go.bloomberg.com/market-now/2013/01/23/apples-profit-vs-amazons-promise/
another more recent article - http://www.telegraph.co.uk/finance/newsbysector/retailandconsumer/10245630/Amazon-is-Britains-most-influential-retailer-and-it-doesnt-even-make-a-profit.html
and one more - http://www.businessweek.com/articles/2013-01-08/amazons-jeff-bezos-doesnt-care-about-profit-margins - if the cash flow stops (.i.e. sales driven local by tax structure), they are screwed.
They bought into a short-term solution ("collect taxes in a few states until they won the court case") for a long-term problem. So, yes, they share in the blame.
I bet Tony Hsieh is grinning like a possum tonight. He made his $. Amazon bought him/Zappos out a few years back.