Like in America how so many cults try to frame themselves as sects of Christianity until they reach a critical mass sufficient to become their own thing. Hell, even Christianity spent a bunch of time in the early days deciding how much they wanted to piggyback off of Judaism and how compatible they wanted to stay with it, and slowly drifted further and further until Constantine came around and gave them enough power to totally split apart. I guess it's easier to lure people over if you tell them this new cult is basically the same as their old faith at the start. It's like boiling the frog but for religion, lol
