That's because they usually contain Fear, Uncertainty and Dis-information just as this one contains falsehoods and dis-information published as fact.
In addition, this particular writer replicates the arrogance of Microsoft:
"Most of my readers agreed that I probably could have made a sounder IT choice by just making him use Windows, since weve standardized to a Windows platform everywhere else."
Microsoft'll just FORCE everyone to use Vista... despite the obvious problems and poor quality.
If you read his replies to those who disagree with him (he really doesn't want an explanation) in the commentary following the article, you find him spouting other falsehoods that demonstrate his total unfamiliarity with OS X.
This IT guy's job is to support the users... not foist his preferences on users who want something different.