What wing chun actually (aside from EBMAS and LT) actually have groundwork? Wherein they are actually on the ground working with people who are good....on the ground?
In any case...lets look at something even more simple then the typical lin wan kuen, or gan, biu or whatever....what does wing chun have in terms of positioning on the ground? That is the first thing you learn on the ground is to gain good position and retain it...and to escape from bad positioning....so what does wing chun offer there...forget the punching if and elbows and biu sao's for now...
"I don't know if anyone is known with the art of "sitting on your couch" here, but in my eyes it is also to be a martial art.
It is the art of avoiding dangerous situations. It helps you to avoid a dangerous situation by not actually being there. So lets say there is a dangerous situation going on somewhere other than your couch. You are safely seated on your couch so you have in a nutshell "difused" the situation."