The first 10 paragraphs seem to be intentionally echoing the usual gripes and fears, in an ignorant-sounding tone. The author could have made it more clear, but I think he meant for it to sound flippant or somewhat mocking, then rebut most of it in the rest of the article.
It's a decent Mac-user-tries-Ubuntu anecdote, not so much a review. But he does bring up one good point: Apple spends hojillions on advertising, and Microsoft at least matches that. Word of mouth is great for converting power-users, but there's a reason the advertising industry churns through so much money -- it works.