It takes all kinds man, you can't just have the winners. You need the losers too. Tons of them.
Failure analysis is the process of collecting and analyzing data to determine the cause of a failure. It is an important discipline in many branches of manufacturing industry, such as the electronics industry, where it is a vital tool used in the development of new products and for the improvement of existing products. The failure analysis process relies on collecting failed components for subsequent examination of the cause or causes of failure using a wide array of methods
http://en.wikipedia.org/wiki/Failure_mode_and_effects_analysis