Starting a fire should be a primary skill for every survivalist or outdoors enthusiast because the ability to make a fire in the wild provides great emotional comfort.
Building various types of campfires may not be required if you’re once a year camping enthusiast. But learning how to build campfires will make your life easier.
Using wildfires for slash and burn agriculture would allow you to clear a vast swathe of land pretty quickly, thus making it suitable for cultivating plants.
Starting a fire in the wilderness is hard; much harder than starting one in your fireplace at home. It becomes worse, when you’re dealing with wet weather.