cult (noun): A religion or religious sect generally considered to be extremist or false, with its followers often living in an unconventional manner under the guidance of an authoritarian, charismatic leader -- American Heritage Dictionary Without the "generally considered to be extremist or false" it would be quite hard to even identify a cult. It's mostly used as way to slur a disfavored group. It's an element of a…
I generally agree. The divide between religion and cult is just a distinction between what's deemed acceptable behavior by society. Obsessing over a person who died thousands of years ago? Totally "normal." Obsessing over a single living person? Totally a cult.