That's just an absurd statement. If there was a new airline that said, "Only 4% of our flights end in crashes" -- I think you'd avoid it at all costs.
Another way to look at his pay -- is he worth 4X what Satya is? Is he having 4X the positive impact at Google as what Satya is at Microsoft?
Or another way to put it, what if you ONLY paid him $50M and kept 400 engineers (assuming they weren't laying off underperformers) -- would they be better off?