I'm nothing to the NFL and I get it.
Logically, the ONLY way I can see the NFL banning the play is if they go back to the old ruling where a ball carrier can NOT be pushed forward for forward progress. There is no way they can make a "subsection" to the current rule just for a position on the field (the QB). That said, I'm also a realist in knowing that the NFL can really do anything it wants.
I get the fact that a lot of people don't see it as being a "football play", and perhaps that's why the fuhrer doesn't like it.
When you think about it, when a team comes up with a successful play that is allowed within the current rules of the NFL and you decide to ban it because people don't like it or because it's so successful, that is beyond idiocy. So, if the eagles were only 20% effective using the play, this most likely wouldn't even be an issue. Think about that... a rule is made only due to the fact that it's so successful for one team where all the other teams can't match that success rate. Someone else made the analogy that if you had a great field goal kicker who could kick a 70 yard field goal 90% of the time, what do you do? Make kicking a 70 yard field goals an illegal play?
Make pushing the ball carrier forward illegal, and I can logically see it. Make it that you can push everyone BUT the QB forward (just because of one teams success), total BS and a slippery slope which the NFL is already on but they can do it because of people like us who in some fashion, the NFL creates revenue.