--I see one for 36.00 currently on Ebay and it's not worth it. For that you can get a Worldbox body or a Coo. The Sculpt is nice but the knees and elbows are too loose.
Why try to dissuade him?
Let him experience and learn it for himself.
If he's happy with it, then so be it.
If he's not, then so be it.