Despite $billions invested in development, M$ has lost what little grip it had on the ARMed personal computer market. They are going nowhere fast on small cheap computers and have only their own stuff in the channel:
“Microsoft’s Windows RT operating system may fall to the same fate as Hewlett-Packard’s (HP) webOS as most brand vendors have already stopped developing related products, leaving Microsoft’s second-generation Surface RT, the only Windows RT-based device in the next-generation tablet competition, according to sources from the upstream supply chain.”
Pitiful share on smartphones and tablets after years of work and no expenses spared means the world, given choice, rejects M$’s products at the OEM, retailer and consumer level. That would be the case for their desktop OS as well where retailers would stock GNU/Linux. The world can and does make its own software such as Android/Linux and GNU/Linux. The world certainly does not need a monopolist making desktop software.
Meanwhile */Linux is growing rapidly or has a commanding lead in every market for IT: