It's mainly only developers that use Linux. Using consumers as beta testers? Who doesn't do that or something to that effect these days? "Move fast and break things" ship fast, get feedback, and iterate, etc. These are all mantras of agile, startup culture. Meanwhile, I'm not sure I see this with their latest products at all.
I think there's a difference between shipping untested changes on an ad-backed cat picture web app, and selling a $99+ operating system that is essentially a beta version:
I thought that this article was overly pessimistic until Microsoft's rings of "insiders" didn't catch the fact that the Windows 1803 update broke machines with pretty common Intel and Toshiba SSDs.
All of this wouldn't bother me at all if it weren't for the MS Office monopoly that forced everyone from schoolchildren to public servants to deal with this crap. I want nothing to do with keeping this business running.