From the experience of a lifetime that includes several years of living and working among Arab People, a working knowledge of their language and several hundred trips in and out of their world -- I can vouch that the sane contingent numbers about a quarter billion strong!
Eliminate the Hesporophobic malignacy of Araby's and Persia's Soddom Hisson and its every other tongue-chewing-babblin' idiot drunkard and/or sexually-repressed and deviant-degenerate Arab dictator and/or iman and the Wahabis and various other islamanzis -- and you are left with the Arab World and Persia's VERY Beautiful Peoples.
[And then there will be the collection of murderously-repressed colonies called "indonesia" to liberate and Malaysia -- and the world can look forward to another couple thousand years of Civilization!]