Why has Scientology sometimes been considered controversial?

Like all new ideas, Scientology has come under attack by the uninformed and vested interests. For the truth is there are those in this world who find it strange and frightening to see the everyday people, the forgotten people turn into philosophers overnight, suddenly unaffected by the threats of their “betters.” In that sense, the so-called controversy of Scientology is merely the bitter old resisting the ambitious new.