Microsoft Legal seems to agree with Google on this due to there's interaction with Wine emulation software which directly costs Microsoft revinue.
https://en.m.wikipedia.org/wiki/Wine_(software). Microsoft has not made public statements about Wine. However, the Microsoft Update software will block updates to Microsoft applications running in Wine. On 16 February 2005, Ivan Leo Puoti discovered that Microsoft had started checking the Windows Registry for the Wine configuration key and would block the Windows Update for any component.[95] As Puoti noted, "It's also the first time Microsoft acknowledges the existence of Wine."
https://en.m.wikipedia.org/wiki/Wine_(software). Microsoft has not made public statements about Wine. However, the Microsoft Update software will block updates to Microsoft applications running in Wine. On 16 February 2005, Ivan Leo Puoti discovered that Microsoft had started checking the Windows Registry for the Wine configuration key and would block the Windows Update for any component.[95] As Puoti noted, "It's also the first time Microsoft acknowledges the existence of Wine."
That's about as unbiased as you can get IMO.