Corruption seems to thrive on a special form of stupidity. If greed or malice are the petri dish of corruption, then stupidity is the warm atmosphere in which it grows and develops.
My experience in dealing with corruption has taught me that one cannot fight it on the terms set by the corrupt party. Usually, these people own and operate the system. They use and maintain the system, and the system supports them. The only way to deal with corruption is to avoid arguing on their terms, to move outside of their system, and to present your arguments to as many independent and open-minded people as possible.
I think Mark Twain summed up the situation quite well: