For many deceivers are entered into the world, who confess not that Jesus Christ is come in the flesh. This is a deceiver and an antichrist. -2 John 1:7
There are many who will try to fool you into thinking they believe that Jesus Christ came in the flesh, but when you start asking questions and study their scriptures you find that the Jesus Christ they speak of is not the Jesus Christ of the Bible.
The Jesus Christ of the Bible made claims to being diety. The Jesus Christ of other religions did not.
It is of vital importance to our salvation that we have the right Jesus Christ. The Jesus Christ of the Bible is the only One who can save. No others can.