As Trav and Harp know, his story and rise to power become critical to the overall scenario as he sets out to unite all of Islam by purging the unfaithful (the House of Saud, Turkey, etc.) and ejecting what he considers to be the infidels (us and Israel).
When that gets us good and engaged, N. Korea goes south and then the PRC ambushes our relief efforts. WW III results.