Standard /rand 100 loot systems use need / greed, where each player gets one need and one greed. Need gets first priority, then greed if no one else needs the item. There is no weighted priority given for past runs or other contributions like in dkp systems. A disturbing number of players try to use their greed first when no one else needs the item. This is clearly a broken application of the loot system since it enables one person to get 2 items they want while some one else who needed one of those items gets nothing. The motivation is clearly selfish in nature and the result unfair. Pox on people who pull this shit. Even the simplest of loot systems are contorted by greedy people to serve their own selfish interests. Even more annoying than the contortion is the dishonesty of those who do it. As a group leader I would almost be willing to let some one use their greed first if they were to openly admit that they were trying to scam two needs. It's a fractal for many real life legal issues.