Volt, while your points have merit on the surface, they omit other critical contexts... the main one being, how many times would this hypothetical person complain? How many posts, how many threads, what degree of frequency, etc? And how would he/she respond after level-headed members here (forget the extreme fans) tried to help?

I'll be quite frank: I see a great deal of disingenuity, belligerence, ignorance, illogic, immaturity and spite on the part of the Vocal Few. In contrast, the typical angry customer wil rant, be met with the usual mix of responses, and make an informed decision on what do next (return device, se if they can resolve the issue, etc). What they won't do is start haunting the forum to enact some sort of personal vendetta-- most have neither the time, energy nor inclination. That's the purview of the trolls and other troublemakers.

It's helpful to mark distinctions among poster types yet there's a tendency in these dialogs to create and address ambiguous clusters instead. That just creates useless axle-wrapping. And around and around we go... thanks to the sociopaths who have a knack for finding those axles and keeping them spinning.