I agree with your central theme that more data is better. That's why as I suggested, he should have handled it on his own and taken legal action against them, so that there was a clear legal record of such behavior by Miso.
Whether or not he should have taken legal action against them, the important thing is to get the data out on a wide public forum like HN. Information benefits us when it's widely distributed, not when it's only confined to a private lawsuit.
