[ianstallings]

Yes I tend to agree here, that "optimal" strategy could be defined as making the least amount of mistakes. While a poker player also needs to minimize mistakes, sometimes to increase your expected value in future betting rounds or future hands one can make a mistake and get more value from it.

I'd like to add that how poker players generally define as their main goal, to maximize expected value: http://en.wikipedia.org/wiki/Expected_value