Without that delayed destroyer hustling back to the fleet at just the right (wrong) time, the dive bombers don't find the fleet and do their thing ... The saw her, rightly guessed what she was up to, and followed.
Im convinced the Hand of God was present at Midway, as it was at many other points in American history. From the fog that allowed Washingtons escape from Brooklyn Heights to the storm that provided a lifesaving tailwind to Doolittles Raiders, there are many examples.