Speaking as a gadget addict and not so closet pyromaniac, most so called wind resistant/waterproof lighters are nothing of the kind. They are also subject to the same temperature limitations of any gas powered lighter. They do, however have their advanages. If you need to apply a hot flame to tinder fast then they come into their own. I have one in my E.D.C. along with a bic lighter and a firestick. My one is top end quality and believe me it shows. Also, regarding the diver scenario, and bearing in mind that I am not a diver, I would put one, along with a firestick, knife, a butane lighter, puritabs, mirror, several wetfire cubes and a space blanket in a waterproof pouch obf about 1.5 litres capacity. Which I would stash somewhere about my person. A rolled up 1Liter flexibottle would also be helpfull as well.