God is “letting Islam walk off” with whatever words they want to use. It’s already tainted, no matter the real etymology.
If we’re this close to the end time, though, there will be very hard resistance to God’s true word. Nobody will be convinced.
Etymology schmetymology. You are making excuses on behalf of Satan. Who’s more powerful anyhow. God or Satan. This is the same irrational dread of artifacts that is roundly condemned in the New Testament.