I think it's ridiculous that valve is whining. How will this hurt them? maybe their stocks (vivendi...) will go down a little, perhaps some people will judge the game before the release, but in the end, they should know that the vast majority of people waiting for the game will be buying it still, and with this, there will be increased exposure to the title if anyone has been living in a cave for the past few years... I personally have seen the (alpha is it?) and thought it was amazing, it reaffirmed my intent to by the game when it comes out.