These people feel that they are in the losing side of a win/lose situation. So they are going for a lose/lose situation out of spiteness. The solution is to a

These people feel that they are in the losing side of a win/lose situation. So they are going for a lose/lose situation out of spiteness. The solution is to always go for the win/win situation, even if it leads to smaller wins. It avoid building up resentment, that will always lead to a lose/lose situation.