And besides, if a submission is flagged off the front page by that point I would think the damage is done short of resetting the gravity of the post to allow it to be in the same position on the front that it "should" have been. I'm not even sure if this is something they can do.
E-mail worked for me when I needed to ask them a question. The whole thing was resolved in less than a day, and it was painless. From what I've seen they're pretty active here in comments too, and seem inclined to reply to reasonable questions posed to them, including, "Mind if I send you an e-mail detailing some concerns?"
And besides, if a submission is flagged off the front page by that point I would think the damage is done short of resetting the gravity of the post to allow it to be in the same position on the front that it "should" have been. I'm not even sure if this is something they can do.