Because only geeks care
Excellent article on lineage in martial arts: http://martialartsstudies.blogspot.com/2015/09/on-knowing-your-lineage.html
in my experience of TCMAs, it always seemed to me that the vast majority of practitioners had only a very vague and shaky relationship with the notion that their styles had either a history or a lineage. Rather, most practitioners seemed most inclined invoke vague allochronistic ideas, about ‘Nature’, ‘Taoism’ or ‘the East’. Those who did believe that they knew their history, those inclined to talk about it, discuss it, dispute it, had one thing in common. They were all (in my experience), universally, and ‘to a man’, men.