1. “the cult-following of Twilight Zone” - it is immediately obvious that it is a fan club.
2. No religion today would like to be termed a cult. And there are also legal reasons.
3. Should we apply a "Christian/Islamic world view" on cultures some of which are more sophisticated and liberal than christianity. It is wrong to assume Christianity as a religion is "normal" or a benchmark. The old religions around the world have more in common with each other than with Christianity or Islam.