Now don't go bonkers but if you have employees of a certain kind it might help out your business. Journalists, writers, graphic designers, animators, and tailors would probably be more productive on Macs.
While at it's core both Windows and Mac OS are of equal complexity, the Mac has a file structure that's not as restraining. They can organize their files their way without ever hearing about "Libraries" and how everything is organized under the C: drive. The Windows filetree is helpful for accountants, engineers, and (naturally) IT guys but not for artsy folk.
These types of workers also tend to use just one program for most sessions. A word processor, an illustration program, or some product design application can go all day without ever calling up another app.
If you're running a studio or magazine you could do it with 9 out of 10 computers being some flavor of Mac.
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