I think he’s arguing that you should have a little “fire alarm” in your head for when you’re regurgitating a narrative. Even if it’s 95% correct, that act of regurgitation is a time when you’re thinking less critically and it’s a perfect opportunity for error to slip through. Catching those errors has sufficiently high value that it’s worth taking the time to stop and assess, even if 19 out of 20 times you decide your first thought was correct.
I think he’s arguing that you should have a little “fire alarm” in your head for when you’re regurgitating a narrative. Even if it’s 95% correct, that act of regurgitation is a time when you’re thinking less critically and it’s a perfect opportunity for error to slip through. Catching those errors has sufficiently high value that it’s worth taking the time to stop and assess, even if 19 out of 20 times you decide your first thought was correct.