While Joe is a **** and is just creating controversy as he loves to do, he is also quite right.
See, BJJ guys have the same view: Show me.
Most TCMA have this view: Tell me.
To BJJ guys anecdotal stuff means almost nothing and they couldn't care less what someone MIGHT have done on the street or 50 years ago, they care about what YOU can do RIGHT NOW.
TCMA love to tale about what someone else did here and there and what they DID here and there, but you rarely see them DOING it NOW.
One of the reasons I have never had problems with the MMA crowd or BJJ guys is because I don't talk about what someone else did ( though kyokushin is respected in MMA of course) and I am more than willing to show them.
I venture that ANY TCMA guy that does the same will have the respect of the MMA and BJJ crowd.