Because they're not! Nope! Mormons and scientologists believe in Jeezuss! So quit with the cult crap... Besides, Tom's pissed off, so's Mitt. And they might be forced ta sue somebody!

http://www.nydailynews.com/entertainment/gossip/gatecrasher/tom-cruise-scientology-members-dislike-portrayal-a-cult-leader-new-film-master-article-1.1109376