Alfred, what is so interesting about your post is that looking back after mentally escaping, IT IS SO SIMPLE. But while IN, the psychological and social barriers to facing the real truth are so strong that experts call it "mind control."
Since you're new, here are some book/google/youtube recommendations:
Combatting Cult Mind Control by Steven Hassan
Captives of a Concept by Don Cameron
Crisis of Conscience by Ray Franz
(there are at least two "C" words in all of these great book titles; I don't know what that means)
Mistakes Were Made But Not By Me by Carol Tavris and Elliot Aronson (non-religious social psychology book on the topic of belief and justification)
Influence: The Power of Persuasion by Robert Cialdini (non-religious social psychology book on the topic of manipulation)
Google or Youtube search for: Solomon Asch Conformity Experiment, Zimbardo Prison Experiment, Stanley Milgram Authority Experiment
All of the social psych stuff here will show you why even though it seems obvious and simple to those of us who finally "get it" it is SO DIFFICULT to get our loved ones to see the light of REAL truth about "the truth."