But if you introduce money into the equation, denying someone's patch may be perceived as denying that person income. Think about it: if you're project is runn

But if you introduce money into the equation, denying someone's patch may be perceived as denying that person income. Think about it: if you're project is running merrily along and Bob the Random Programmer tries to collect a bounty but his patch is denied, what's he going to think? He may very well think his patch was denied and he won't collect the bounty, thus he starts pressuring the project leader to take his patch. It introduces potential problems and considerations that some project leaders don't want to have to deal with or even think about, because they aren't technical issues.