Pstevens can you give us examples of the BJJ people hiding behind there art? Probaly not. BJJ fighters are still among the among the most successful fighters and its kind of hard to hide behind your art if you are out in the ring fighting. I think all the advancments in mma is good for bjj. It forces it to evolve. For example more striking techniques are being added to bjj and more strategies are being made part of bjj. Here is something about bjj evolving
http://www.members.aol.com/bjj33/sperry3.htm Only problem I see in bjj right now is the overemphasis on sport bjj. BJJ was originally meant for vale tudo and self defense and the sport aspect was just meant as a way to train safely and the competitions as an an intermediate step to vale tudo. Sperry tells about this problem in this article
http://www.blackbeltmag.com/archives...an98/fail.html