IMHO the judge doesn't want to reinsert the tube because that requires him to find a likelihood of success, and he doesn't want to acknowledge that initially and then "reverse" himself a week from now. that would give teh Schiavos a big victory now and more of a sense of justification on appeal. But I hope I'm wrong and he reinserts the tube until a fuller hearing can be held.
My point is that I am quite sure that that is NOT the standard where denial moots the case and a life is involved. I would bet the farm on it. It is more in the nature of a balancing test.