Even if this were a miracle, it would only reinforce a disturbing long-term trend. God used to be able to part seas and flood planets. By the end of the Old Testament he was turning people into pillars of salt and Aaron's rod into a snake. At the time of Jesus, God our omnipotent deity was basically down to party tricks, and now, what, easing an old man's backache for a few months? It's hardly the swaggering, all-conquering God of the glory days.