"This allows you to express yourself without doubts, anxiety, and fear. " \-> precisely. It's not about desentitizing. Because then we learn to speak without fear \-> it's about learning to speak with fear and doubt. Even with doubt, a non-stutterer doesn't expect a stutter. The same idea with a stutterer, if one learns to stop compulsion when one has doubt in his mind, then one has succesfully learned to become resilient against the trigger