So Jones,Spiller,Rodgers,Williams,Dareus,Sheppard,Nelson,and , where what? Figments of our imagination? Brought in by the previous regime? I'm confused, because by my count, all of those players have either started multiple games, or recieved significant playing time.
And as for those links..google is your friend, there were plenty of reasons for the Bills to steer clear of both JPP, and Davis. As a matter of fact here, are the first five google results for Anthony Davis.
http://philly.stats.com/nfldraft/players.asp?id=157916
http://www.nj.com/jets/index.ssf/2010/03/former_rutgers_lineman_anthony.html
http://profootballtalk.nbcsports.com/2010/03/10/anthony-davis-has-odd-day/
http://www.nypost.com/p/sports/giants/all_eyes_on_davis_OICcg8XHLCvdHibMdxsfBK
http://www.csnphilly.com/04/12/10/NFL-Draft-Profile-OT-Anthony-Davis/landing.html?blockID=214852
You see the trend here?