I think he is right because in my expierience you cannot manipulate women and you should not overestimate the frame control you can exert. It's just not realistic. For example, you can't make her like you with a "boyfriend destroyer" if she has a boyfriend and ignores you. On the other hand frame control is indeed helpful if you are nervous around women, for example, when women test you or when assuming attraction encourages you or when you are required to be a confident leader. If you do these things habitually (unconscious competence), then of course frame control is fiction and nerdy as Rob Judge can say. Still even a newbie like me does need to have frame control. I just do my normal thing.
The reason why so many guys believe in frame control is that to move things forward you and her need to accept a meaning of the interaction. How much will she be influenced by your interpretation? Your confidence is certainly a factor part of the answer to this question but no one can answer this question for sure. That's because it depends on your weltanschauung: do people give a shit or is the world totaly indifferent to you? how much can and should you try to control? Do you want to find out the truth or do you think life is about power?