I was born and raised Catholic. Went to Catholic schools. The parent poster brings up some interesting points.
While many people may agree Scientology is a cult, I suggest we all look inward:
People are put in physically or emotionally distressing situations;
Early Christian followers were threatened, beaten, etc.
Their problems are reduced to one simple explanation, which is repeatedly emphasized;
Blessed are they that suffer persecution for justice' sake, for theirs is the kingdom of heaven.
They receive unconditional love, acceptance, and attention from a charismatic leader;
Jesus is said to have unconditional love for all people.
They get a new identity based on the group;
Followers of Jesus are no longer Jews, Pagans, etc... They are known as Christians.
They are subject to entrapment (isolation from friends, relatives, and the mainstream culture) and their access to information is severely controlled.
The 4 gospels were all pretty much copied from the same source (and long after Jesus died). Each one has a different audience, but the content is largely the same. In this sense, followers have restricted access to information. The Catholic church also regulates which scriptures form the Bible (and which do not). Not all writings of the Dead Sea scrolls made it into the Bible. Throughout time, religion have been used as a means to divide people. In the past, those who have questioned the religious leadership have been excommunicated, or worse...
Even today, try being a Catholic and marrying a non-Catholic in a Church. It is not allowed! The meaning of "Catholic" (as welcoming) only applies to their Cathechism school!
(People may argue that the Catholic Church is no longer a cult, even if there is strong evidence for it being a cult at one time. So I ask you, did the religion change or did society change around it? If you think it is now no longer a cult, does that make you feel better?)
From everything I've read about and seen of Scientolgists and Scientology, they do all of those things.
From everything I have read and know about Catholicism, they do and/or have done all those things.
Contrast that to say...Judaism or Islam, theres a big difference.
Indeed, the other religions spell their name differently.