I've heard about that program.
Honestly, at his age I would not have gone for it--I simply had no interest in any of that stuff. However, it sounds like he genuinely wanted to learn how to interact more "normally," and I'm glad it worked out for him.
The one thing that bothered me was "How to tease like a teen." On the one hand, it'll be easier for him to verbally defend himself; on the other, it's really sad that being able to do this is even necessary.
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The existence of the leader who is wise
is barely known to those he leads.
He acts without unnecessary speech,
so that the people say,
'It happened of its own accord.' -Tao Te Ching, Verse 17