Wasting your energy bringing in a QB to tourniquet the team's weaknesses is SUCH a bad idea.
They need to just commit to rebuilding the team.
"If you've got a great defense, a great offensive line, and a really good running back, you can get away with an average or even below-average QB. Hell, you can even get to AFC Championship games!" Bill Cowher. (paraphrased by an unknown source...)