Clever idea. I heard about that principle, but I didn't know, that it was called Pareto's Principe. I think the people who despise and condemn others - do it primarily out of jealousy and weakness. They failed while others succeeded. It's hard to admit, that your failure is your fault, that you didn't do everything, what you could, did little or it's just not yours. If a person does not have the strength to be honest with himself - he uses the second way