We have found that there has been quite a significant improvement since he started speech therapy. We only started pushing for it once he started becoming aware of it and when he started becoming aware he was getting angry and upset that in his words couldn't get his words out properly. he wanted help with it and he has been happy doing the sessions. But I appreciate your point. It is a tricky one because by dwelling on it, it can become worse but not studies show that early intervention is key.