It's unfortunate, but Apple's share price rarely trades based on reality, but rather on rumor and hype, and not even Apple-generated rumor and hype. If the hype turns out to be even the slightest exaggeration of reality, the stock takes a dive.
What the article says is true, but is more "le's stock hasn't been a good bet for awhile. I'm not saying that it's not going up. I just think that buying the stock today, or even 6 months ago (when it was worth less...) is risky