4-3 for a variety of reasons. For one thing the 4-3 cover 2 is far less complex for the players to digest. When considering some of the simpletons we have rolled out there over the last ten years or so this is a GOOD THING.
Simpletons require a simple scheme that they can thrive in!
Parcells said it best....." theyre dumb,..theyre just too stupid to GET IT" . And he was right.