Not sure where you're getting Egyptian from. But they're not just ISIS. They're basically the resurgence of the right in the West, particularly in Trump's America. I think the makers of the show are patting themselves on the back for how clever their allegory is, but I personally found it as subtle as a sledgehammer. They're going to have to get more intelligent than that if they're going to keep me interested...especially for the Klingons, a race far more developed in the Trek universe than these episodes would lead you to believe.