While i agree with the first part, about the second part... Windows is hardly a monoculture, it contains a ton of technologies that overlap heavily each other.

While i agree with the first part, about the second part... Windows is hardly a monoculture, it contains a ton of technologies that overlap heavily each other. As an example, people used to make fun of the number of GUI toolkits available for Linux and their messy looks, but nowadays your average Windows installation has way more different toolkits installed than your average Linux installation :-P.