9/11 kinda broke his brain, as I recall. (The book Flashback is… ooof. Hyperion includes a major Muslim character and it’s just a wild shift between the two.)

Almost like he updated his view of the world, which isn't a bad thing.

his updated view of the world involved global warming being a hoax and that obama (literally obama, not even a fake obama parallel) caused the end of the west.

When you are that spectacularly wrong, it is. If you can't update correctly, you probably shouldn't.