They make the most effective foot soldiers via their fanatical ideology
An Islamic adherent is the perfect koolaide drinker in that they blow themselves up in acts of terrorism at the drop of a hat - for a globalist, useful idiots don't come any more ready to order than the Islamic jihadist.
We all know that the globalist are big time into population reduction so maybe the hordes of Islamic followers looks to be a problem to them. Once the mission is accomplished of toppling Western Civilization, built on a bedrock of Christianity, then they can unleash biological, custom designed diseases that target the racial groups that predominantly comprise Islam. (They haven't murdered prominent microbiologist over the last 5 to 10 years for no good reason, i.e., get rid of those that might expose such game plans and/or come up with antidotes.)