In spite of what you may hear on TV and in the papers the vast majority of people never have a fight in their loves, never get mugged or attacked and never need fighting skills. The vast majority of people have enough on their plates trying to juggle work, having fun etc so fighting skills are pretty low down in the order of things they think they need, though they are in fact pretty important, as the saying goes "Its better to have the skill and never use it than to not have the skill ...