[Caged Great]

Even Anthony Mantha, who also had troubles using his linemates in Juniors only had 11 more goals than assists and he fell to the late teens. Gauthier had 25 more goals than assists.

That tends to show that he does not know how to utilize his teammates effectively. If he can't figure out how to use his linemates, then plays will die on his stick as he will be easy to defend against, which means he'll become a bust. That's why there's a red flag. It might be entirely overblown, it might not.