GCN.........of course the outcome would have been different in daylight. The pilot would have had clear depth perception and the selection of the landing area would have been considerably "easier" therefore the choice of technique to use would have been "easier", the wires would have been apparent and the flare height would have been more evident.
Personally I am a great believer in legislating a "twin or more" engined helicopter for use over densly populated areas, day or night.
Thankfully the "night auto" did not result in any fatalities, to crew or to innocent by-standers, but it certainly could have.