This is not a commentary on Geno Smith specifically, but the Jets would be tremendous idiots if they draft a QB this week.
Since Rex (and therefore, by extension, Marty Mornhinweg) are unlikely to be back in 2014, what sense would there be in saddling the next coaching staff with a quarterback they may or may not like.
Look at the Eagles, for instance. They drafted Nick Foles last year to be their quarterback of the future. They fired Andy Reid (and therefore, by extension, Marty Mornhinweg), and now Chip Kelly is in charge. Foles is an extremely poor fit for Kelly's offense. Eventually, the Eagles will have to trade him, probably for 50 cents on the dollar.