Most of us use manipulative tactics in some shape or form to control relationships, and we often do this to avoid our own inadequacies. In some cases, manipulation is a learned practise and we need to snap out of it.
Fundamentalism currently has a bad name. I see two reasons for this. Firstly, no one can define what the term objectively means. So you hear people call a militant Islamic group, like ISIS, fundamental.
After publicly apologizing for his behavior and reaffirmed his faith in God as one of the keys to his change of heart, Justin Bieber wants his fans to know that he's not perfect and that they should not worship him or any other celebrity and said that he does not have the power to solve their problems.