When you train with the same people all the time, it becomes easy to lose sight of what your full potential could be. It may be due to the fact that you just can't beat one of your training partners, or maybe because you are too used to everyone's style (and they are also used to yours). That is when it helps to look at the best in your weight class and see how their techniques and style differ from yours. To me, this is the light at the end of the tunnel: I see what my full potential could look like and have some direction.
A good example of possibly the highest level of technique seen in a match: