Is Muhammadism akin to the pagan idolatrous religions of the east?
No. Muhammadism is not akin to the pagan idolatrous religions of the east. The Euphrates River is presented as the great boundary between east and west; east of it were predominantly pagan idolatrous religions, while west of it were Judaism, Muhammadism, and Christianity. Muhammadism is grouped with the western religions, not the eastern pagan idolatrous systems.
Les explains that the Euphrates River is the major boundary between east and west, both geographically and religiously. East of the Euphrates has always been predominantly pagan idolatrous religions, while west of it are Judaism, Muhammadism, and Christianity. He states that Muhammadism is certainly not akin to the pagan idolatrous religions of the east, placing it with the western religions rather than the pagan systems whose roots go back to the Tower of Babel on the Euphrates.