[shkkmo]

> The Muslims had Muhammad and appended the Quran to the Torah, hence new religion, Islam.

Islam views both Old and New Testament as the word of god, but the Quran is not viewed as an appendment to them but rather as a replacement.

> I struggle to see how that doesn't make them a different religion just like the rest, worthy of a different name.

Other religions add new holy books and new holy people without transforming. The Sikhs had 10 gurus over the course of more than 200 years.

Fundamentally, it is a question of cultural identity. Here, the key point is that the Mormons claim a Christian identity. What non-prejudiced purpose does it serve to deny them that identity?