Sometimes, NFL coaches and scouts get too tied up in what a QB might can do, rather than what he is doing. The best coaches adjust their schemes to fit the QB or draft a QB from a somewhat similar college offense.
https://www.nbcsports.com/nfl/profootballtalk/rumor-mill/news/peyton-manning-says-teams-fail-young-qbs-when-forcing-them-to-change-coaches-systems
