If I were a fan/player on the Cards or any other NL contender then I would be pissed that he grooved one as well. I disagree with the HFA rule, I think it should go to the league with the best IL record as that is a better determining factor on which is the best league, but as long as we have that rule then the players that are playing in the All-Star game owe it to their teammates to give it their all because it could be the difference of Game Seven being played at home or on the road.
Yes it was the first AB, but Jeter's double was the beginning of a three run inning. If Waino had recorded that first out then who knows how the inning plays out, it could have changed the outcome of the game. If the Cards lose Game Seven in Oakland then I doubt they will take much solace in Jeter's double.
Of course MLB should set a good example and if they are going to make the game matter then it should involve the best players...period. That means no more fan vote and you have to get rid of the one player per team rule, which would mean that Jeter and several others would not be there.
I am all for it going back to an exhibition and then this type of stuff is fine, but if it is going to have such an important impact then it needs to be treated that way and anybody not trying their best when it could impact the championship deserves criticism in my opinion.