Definitely there could be some "die-hard fanboys from both sides of the fence are attempting to create bad rep for the other", but there are other possibilities

Definitely there could be some "die-hard fanboys from both sides of the fence are attempting to create bad rep for the other", but there are other possibilities as well: 1) Some people bought from other channels are upset enough to want to vent their disappointment on Amazon (quite likely, as I did that to a book that I bought elsewhere to warn off others on its issues) 2) People with vested interests (paid or otherwise)