Whether a group exists is extremely important. If a patient has a certain disease, you call it by its name. You don't just make up a new disease that doesn't exist. To do so is intellectually dishonest, adds confusion, and delays identifying and correcting the problem.
"there is no such thing as Islamofascism."
Okay. Call them grapefruits if you like. You're getting stuck in the minutiae. Go for the bigger picture and message being stated in the whole article.