My last Kung Fu instructor thought my approach was too crude, brutal, and aggressive. He tried to teach me some refinement and did improve me a lot. But he got frustrated because he could never change my fighting first, art second approach to training. But I was a very small kid who got in a lot of fights growing up on the edge of Washington DC in the 1960s, and I could not ever forget that the reason I started Parker Kenpo 30 years ago was was to keep from getting my ass kicked.
Its great to look good winning fights, but I would rather win ugly than lose with style...