One of the points in the article is that he made many bets, some of them panned out really well, others didn't, but on the whole he set Microsoft on a really go

One of the points in the article is that he made many bets, some of them panned out really well, others didn't, but on the whole he set Microsoft on a really good path. Buying Yahoo would have been a bet that didn't work out, probably, but I don't think it goes against the point in the article.