cynical.

cyn·i·cism
ˈsinəˌsizəm/Submit
noun
1.
an inclination to believe that people are motivated purely by self-interest; skepticism.
"public cynicism about politics"
synonyms: skepticism, doubt, distrust, mistrust, suspicion, disbelief; More
2.
a school of ancient Greek philosophers, the Cynics

Ok, but isn't that normal and true. People are motivated purely by self-interest and there is nothing wrong with it.

Cause I'm a cynic, yes I am.  
Well I'm a cynic, yes I am...
At least according to this stupid report.

http://www.youtube.com/watch?v=55_UEAtrqyg