To be honest, I don't see why it couldn't be, other than the fact that you keep doubting it...
Politics comes into play in everything else, it seems. Why not Magic?
I don't actually know the people who make the decisions, so I can't say for sure...
Case in point though. After you said you doubted the second reason, in my post where I said I thought both could have had some influence, I was clarifying my earlier post. I did not say "hey, I'm clarifying" but I thought that it was clear that I was clarifying...
What card in U/R Fish would you restrict to kill the deck, anyway?
Necro is a much easier target...