Ok let's make a more visual example:
these guys ina real fight are going to be wiped off instantly:
http://www.vimeo.com/3384550
Instead, these guys are going to stand and last:
http://www.youtube.com/watch?v=HB01hhonf8Q
http://www.youtube.com/watch?v=d8mZo3Qn4ww
I hope this clarifies a bit possible misunderstanding. because I really have a background in fighting and I can tell you, the guys in the first video are going to incur into serious damage if confronted with a real danger.