yahtzee has some influence it seems, now Valve changed their banner of Painkiller:
to give credit to Zero Punctuation (the typo on lightning is already fixed.
And what the hell, Painkiller is now in 7th on Amazon's biggest movers n shakers: http://www.amazon.com/gp/movers-and-shakers/videogames/ref=pd_ts_mte/002-7413643-6366425