True...but because it's not something you cancel... Like you can live without a game... I don't recommend cancelling the killing of Nazis but maybe that's just me.

There was a window of opportunity where the tides were low and the weather was right. It's completely possible that if those two things didn't come together, it just couldn't happen. The English Channel has some nasty weather, too.

For those wondering, they needed the tides to be low in order to avoid beach defenses.