In the history of Christendom we see many churches which started of as so called cults or so called heretic movements, though many years later they sometimes outgrew their original group and/or became one of the many main churches. Therefore one should be very careful by damning a group or calling ti a cult or sect, when there is not really anything what qualifies it to become called a sect or cult.
To come to a faith life of truth we will need a solid foundation. to explore the truth one is best to use a trustworthy book. It may look strange but there is a Book of books, containing 66 books by 40 authors which is literally of extraterrestrial origin.