1. He lived and traveled in Islamic countries so any claims that he doesn’t have first hand experience with Islam are wholly unfounded.
2. Don’t conflate critiques of Islam with critiques on the Hussein regime. He was also well known for the later, often discussing the unique horrors of that totalitarian regime. His anti-Islam beliefs are substantial, but he gives an equal go at all religions, even State-religion (Stalin, Hitler, Mao, etc). Which parlays into…
3. Not so much “anti-god” as he was anti-totalitarianism. He tried to wake people up from their Stockholm Syndrome, just as you would a citizen of North Korea. To refute an all seeing, all knowing dictator who can send you to eternal damnation for thought crime.