Mainly because there aren't many things which can facilitate proof (apart from tournaments etc, which aren't really mainstream).
Yeah thats a good point.
I bet that maybe us two are the only ones who even know what that is. It's not that mainstream either, many asian arts can't compete for...
See, this is the bullshit perception that people have. This is the fault of "McDojos" and other places.
Chinese martial arts are awesome. Philosophy and spirituality may have a larger role in them, but it doesnt make them inferior. Each martial art is different.