AMEN! The only "religion" we should be concerned about is Islam which at its core wants to stifle personal belief and liberty and condones killing anyone who does not share their belief.
Really, you should only care about Islam? What about the merging of Christianity and Islam? Would you be concerned about that? There are a few mega church pastors trying to that very thing, calling it Chrislam. Now granted Rick Warren doesn't advocate killing but the Muslims, who believe that Jesus will return and convert into a muslim and tell his followers to do the same, will preach that people who do not covert should be killed. When Christianity is watered down and tried to be made into something its not, there's only an evil result.
When people are deluded into thinking Mormons are Christians, they open the door to other kinds of false teachings and beliefs,.
that is THEIR BELIEF. Do I agree? No. However I concern mself with my own faith and do not bother with others.