Flintlock1415
Emperor
The virus issue is not an inherent issue with Windows. It is the result of market share. Windows dominates the home desktop market. Thus, if I were to write a virus to cause the most damage, I would make it target the Windows platform. If the roles were reversed, OSX would need to have an AV to run 'normally'
This has been pretty well proven by the fact that there are OSX viri and malware out there. There's just very little because from an economical standpoint, it makes little sense to take the time and effort to make them.
Well, by the strict definition of a virus...