Because there aren’t a lot of stories of businesses struggling to contact Microsoft over a product they’ve paid for. Yet every other month there’s an article on the front page of HN of some paying business struggling to reach Google and the only way to do it is to go viral on social media.
The upgrade from Windows 7 to Windows 10 had similar consequences, but this could also be a reflection of the different types of audience the two companies serve.
For example, the person who wrote this book is probably never going to post a complaint on social media: