Well for him it might not matter. My line of thinking is this. He's an investor. From a macro level, taxes should (in theory) impact a firm as much as its compe

Well for him it might not matter. My line of thinking is this. He's an investor. From a macro level, taxes should (in theory) impact a firm as much as its competitors, and in finance, you're trying to beat everyone else. So it doesn't really matter then because Duracell is being taxed as much as say, Energizer. He's making a bet that Duracell is going to do better than Energizer in the long term.