Should soccer ban walls?

It strikes me that making walls on free kicks is an obnoxious time waste. The player gets fouled. The defensive lines up a wall.vPlayers The keeper runs back and forth trying to set it up in the right place. The ref paces off 10 yards. The wall slowly inches back. Then another player goes and lays down behind the wall. Then after a fake that fools nobody, the free kick taker blasts it into the stands.

Would it be better if FIFA