User blog comment:LurkerLordB/Religion in a world without Christianity/@comment-1777104-20120424214749/@comment-1310192-20120425025032

South, by the time Muhammad was in Medina, he had already received his "revelation" from St.Gabriel AND had gone to the Byzantine Empire, but hadn't ever visited Medina. Plus, without Nestorians in Iraq, Judaism would remain less prolytezising that it is now anyways.