One group is expelling other from the circle of faith, according to this speaker, population of Muslim should not increase more than few million. While if you ask some one, what is supposedly population of Muslim in world, they will give you number of 1.5 billion all across World. That number counts Shia, Qadiani, Baha ullah, Kharjis, Ismaelis and many sects than no one ever heard, all together.
Once Imam ibn tamiyah was asked what about abuser of fellows of Prophet, he said it is worst sin, but even then they are not non-muslim.