I don't think this goes far enough. I propose that Delta rearrange the cabin en route on every flight. It's obviously correct that FC pax get to board first and make all the coach pax slink past them to reach their cattle pen. It's equally obvious that the FC pax are properly lifted airborne at the front of the plane earlier than the folks in back.

What needs to happen is to have the FC cabin relocated to the back of the plane midflight to ensure that the premium pax also have the privilege of reaching the ground before coach. Additionally, this would reinforce the fact that coach pax are inferior by making them wait as the FC pax walk through the now-forward coach cabin to leave the plane first.

As a final touch, pax would find that the seats have been rearranged, but the overheads have not. FC pax can leisurely stroll to the front of the plane where their carry-on bags are waiting, while most coach pax will find that they must force their way down the aisle contra-flow to reach their carry-ons several rows behind them.