Do you feel those looking for quick gain at honesty's expense are necessarily bad people? Do you think they will win in the end? How long do you think they would get away with it?
On the other hand, what about honest people? Are they chumps? Are their attempts at doing the right thing going to pay off soon, or even ever?
Just because something is a "rule" or "the law" that doesn't make it right (depends on the situation). Good people can break rules or laws and still be good people. You've got to follow your own moral compass.
There are rules that need to follow but sometimes and should say that rules also meant to be broken. It's like setting up and rule on an baord and if you have to do something that isn't bad but it's the rules to not to then break them, even the admin