There are many ways in which, if we were all pure do-gooders, this might have bad effects. One is the effect on the sum of happiness. On any plausible version of C, happiness is a large part of what makes outcomes better. Most of our happiness comes from having, and acting upon, certain strong desires. These include the desires that are involved in loving certain other people, the desire to work well, and many of the strong desires on which we act when we are not working. To become pure do-gooders, we would have to act against or even to suppress most of these desires. It is likely that this
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