He made it home safely, therefore he made a correct call that time.
If that comment is not a joke could you please tell us what carrier you work for so we can all avoid it.
He may or may not have needed to be de-iced (chances are he did as it was snowing and by the sounds of it everyone else thought they needed it to) but just because he got away with it does NOT mean he made the right call. If they had lost an engine during the take off it may have been a very different story.