ADV only affecting rostered players has no major effect on 0 users. What little "trading for prospects" that was done was based on several factors. Development pattern was only one. Draft position, bonus for IFA, owner's history in draft/IFA markets, owner's budget for those markets, owner's ability to develop players, player current vs experience, etc, etc.
You're taking one aspect from the equation. For me, if I'm not sure, I don't pull the trigger. Which was always the case.