i say to you: "thank you for your attention". when an idea enters someone's skull & it's easy to entertain without thought or very little thought, he or she ends up believing it usually.
Not to mention that evolution, even when claimed as a creation of God, contradicts Genesis. I know everyone can have their own opinion but that doesn't make any sense to me.
Even so, his content about why he started believing is very fascinating, especially considering his background.