Well said Stephan. Some people carry multiple knives, weaponry, or whatever but, IMO, cold, wet, windy Canadian with winters make multiple fire starting/extending redundancies worth the extra weight and space. (The kit isn't really that big or heavy, even if I added what I carry in my pockets.) Besides sharpening my fire skills, or those of my son or Scouts, shelter and fire are absolute musts in the winter. Finding dry tinder, kindling or fuel isn't always a simple matter. Sometimes it takes a while to get a fire going and, as you say, when you really need it, you need it yesterday.
I haven't tested it yet, but I'm hoping that when I do, the contents of this kit will be enough to boil water, regardless of what other natural tinder/kindling I can find.