I like your metaphor, jafar. 
RaEatsFoodstuffs, interesting question...
I sometimes feel we could do with less or 'nicer' sociopaths,
but if we take a step back, we can see some offer a huge catalyst for perhaps polarizing positive when you start to oppose their negative actions..
It reminds me a bit of the Buddhist adage, " your enemy is your teacher "...
RaEatsFoodstuffs, interesting question...
I sometimes feel we could do with less or 'nicer' sociopaths,
but if we take a step back, we can see some offer a huge catalyst for perhaps polarizing positive when you start to oppose their negative actions..It reminds me a bit of the Buddhist adage, " your enemy is your teacher "...