[DuckSauce]

It represents the people that care enough to let Blizzard know of their ideas on the game and how it is balanced. Even if as you say people complaining puts the game behind, when that patch came out, there would be more complaints, and more, and more. They're going to get it right eventually (when they fix Terran's incredible cost efficiency, etc), until then we can only voice our opinions on their forums.