Of course this happens. It is well known and a fundamental part of Microsoft’s marketing strategy.
They resorted to this back in the early 2000s when, funnily enough, they were the subject of an anti-trust investigation:
They were caught again, a decade later, trying to confuse, via astroturfing, that same behaviour that led to the anti-trust investigation:
Microsoft pitches a high-profile venture capitalist to write paid blogs about its new Internet Explorer browser experience.
www.pcworld.com
They relied on this to generate buzz for the Xbox One at launch, as outed on Reddit:
There are detailed reports about exactly how it works:
Hell, there are detailed reports from Microsoft:
So be very, very suspicious of anyone trivialising, satirising, dismissing, normalising, equivocating or outright praising this process, and look very closely at anyone attacking or smearing it’s source.
A reminder that FUD has defined Microsoft’s marketing approach in the presence of a sting market leader since their inception, starting with IBM. Plenty of sources for that one on Wikipedia:
en.m.wikipedia.org
So yeah, any time you see a pro-MS post that is called out and then be doubled-down upon while the critic’s integrity is called into question: that’s a paid shill.