If I read the news threads correctly, I believe the kids were under dressed for the weather to be going out in the first place? I beleive the father wrapped pieces of his clothing around a daughter's feet. Where was the footwear for December?
And the only reason he had a saw was to cut a tree down, not for survival purposes. He did right by building a rough shelter, but I question whether it was adequate for all of them.
And because the unexpected can happen at any time, and anywhere: my EDC backpack includes my cell phone, enough food for 2 days, at least 1 litre of water, water purfication, FAK, PSK, FSK, knife,my daily medications and glucose testing supplies. And my wife is glad that I invest in this equipment.