Now that one I do agree with, for the most part (obviously, as I already mentioned some of the same key points he mentions regarding regrets, non-regrets, and childish explanations). The only thing I'm not sure I agree with is the notion that FIFA ought to strip Zidane of his award as player of the tournament. The issues seem separate to me... it's an award for skillful play throughout the tournament, not a sportsmanship award. If he was the best player, he was the best player. No need to strip that away to try to set some kind of example, when he's already endured plenty of criticism and negative attention in the media. The saga has already unfolded for everyone to reflect on as they see fit. No need for FIFA to try to assert any more of their rather inadequate brain power to the situation. I would say again, though, it would still help if Zidane would express full and unconditional regrets for his action to all adults and children alike. I'm sure there are plenty of adults that are just as much in need of a good example set by Zidane as the children of the world (I played with plenty of childlike adults in my days in the recreational leagues).
As far as the issue of this putting a big negative stamp on his career, I think that's overblown. It was just one brief example of a few negative incidents that occured over a long and illustrious career. He should simply be remembered for the great career and the vast predominance of positive and inspiring things he did.