that you can 'vote' on - both operating systems have their strengths and their weaknesses, and it's a matter of choosing what is best for the way you work. Linux has its devotees, and has slowly gained ground in the past couple of years. Windows is running on the vast majority of the world's desktops.
The Linux v. Windows debate has raged on and off for years now, and there's no positive conclusion - probably never will be. Horses for courses.