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If Microsoft owns or controls a processor, it can compile Windows to have best compatibility with its own CPUs. It can start introducing patented technology to their processors which Windows "requires." Then it can start licensing the patents to Intel, AMD, et al. Before you know it, MS will be the OS monopoly, graphics monopoly and the processor monopoly.
Originally posted by camazotz
The flaw in this argument is that it assumes that a "native" code set will outperform an "emulated" one, i.e. via a driver.
Given that Intel et al have unlimited technological knowledge to create CPUs consistant with Moore's Law (doubling performance every 18 months) then even a "native" processor is going to get outperformed very quickly.
Windows will ultimately require drivers, and drivers are written to exploit the best aspects of the hardware they support, so they are written by the manufacturers who know all the "secrets". Whilst Microsoft may be able to produce hardware/driver combinations that are efficient, what is to stop other manufacturers doing the same (as they have done for the last million years), and since when has a Microsoft written driver performed better ?
The "patents" can work both ways (actually you cannot patent software, it is copyrighted).