PCWorld is a magazine witch primary Ad buyer is Microsoft, this kind of magazines live from their ads(I have worked on printing presses), not for their customers paying the magazine.
http://www.paulgraham.com/submarine.html
No, Linux is not dead, and you make the numbers totally up(1% market share). Linus is not going to be professional in the areas that commercial software makers only support Windows or Mac(games, CAD, CAE, publishing...) until they support Linux, but is the only OS in witch you have total control.