Well for one thing it’s highly doubtful Carolina demanded a 4th rounder for a receiver they weren’t using that’s way over paying on Jones part .
As to Parsons if you team him with Overshown and Kneeland going forward you have the makings of rebuilding some QB pressures sacks disruptions 3 and outs . Parsons is a building block 31 other teams would love to have . Do not trade him !