Because they are afraid to rock the boat. They have to believe everything Rome says or they go to hell. I really feel sorry for them. I am way too curious to believe everything I am told or things I read. I want to know who, what, when, where and how. Guess I should add another one, why.
The tactics are common among cults and false religions...there must always be a degree of fear for leaving.....forgetting that when God calls us “out” He has something for us ahead which cannot be so until we “move” our feet.