Complaining

Complaining is the weapon of  that kind of people which don't know what to expect of the work what has to be done for them, who don't understand the work what has to be done. Usually the people who expect for less money to have excellent  work done at their request. Now they have an important place to complain: internet. Unfortunately they can create huge damage the companies who perform good work, but they complain even if the work is nearly perfect, because let be honest nothing is perfect. I would like these people before complaining to think about. Is their complaint to create something better or is only to create bad? I would like ... .