While I understand the annoyance, the game really cannot distinguish if you screw up or you simply don't know how to play.
Yes, hearing the same critical comments over and over can be annoying (though I just don't take those things seriously myself), but for a kid who really doesn't know the intricacy of the game and how to play baseball in general, those commentary *can* serve a purpose by teaching them how to play it better.
I'm guessing the devs include those lines for educational reasons to an extent.

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