One of the most dangerous yet confusing toxic pollutants is mercury in seafood. Mercury is very bad for developing fetuses and children, and seafood is very good for them. But mercury is in all seafood. Like I said: confusing.
If we can "see" what we are dreaming, then we can see what we are thinking in our waking lives, as well... I think it can't help but be a catalyst to assist us to become a more empathic, compassionate, aware, even... dare I say, enlightened civilization.