I looked at it like this: college draftees are adults; they can freely enter into every type of contract - from mortgages, to car loans, to professional advisors.
So, it was my son's - and only my son's - decision. The consequences of the decision were comparatively minor and he owned the decision and results. Because alot of money (in his case) wasn't at stake and because he had been around pro players for years and had been able to see where advisors fit into the pro world AND BECAUSE IT WAS TIME FOR HIM TO MAKE HIS OWN WAY, we didnt even get involved.
So long as the advisor is reputable there is no harm. Remember the advisor/agent can be terminated and isn't a life time committment.