Seriously, we study animals and have a very good understanding of what makes them tick, same goes for humans. The problem is its too profitable to manipulate people so its one of those things you're expected to figure out for your self.
"The strong do what they can and the weak suffer what they must."
@Chimi_Chuang_Tzu
Sad but true.
People can't handle the truth.
History is full of dead messengers who tried to tell the truth.