I'm more neutral to banning Meta Knight now. I think the thing about Meta Knight is that when the opponent has a reasonable skill edge, Meta Knight's weight may very well come back to haunt him. Try to learn how his moves work, it served me well against a Meta Knight OL when I was using Pit, trying to make a point about his ^&$*%&@$# arrow spam only for a GD Wario idler to be around. >_>
Still, Meta Knight should be in a lot of trouble when his opponent is at only 7% and he himself is 70%+. He is supposed to be the lightweight sword user, after all. (And just for the record, I didn't get to use arrow spam this round. I did shoot a few arrows, but with Meta Knight being up in my face constantly, it would hardly qualify as arrow spam.) However, I'm for the priority decay I had mentioned before in a future installment if it helps ease people.
If anybody deserves a ban, it's probably G&W for things like his h4x low-kill Down B that kills below 50%. Only reason Meta Knight doesn't have to fear that is because he doesn't have projectiles to throw.