It probably is. I already posted a link to it in another comment, but to reiterate, Microsoft's CEO admitted to 'working on' hacker news specifically to sway opinions on Azure. Not much of a stretch to assume they do that for other projects, too.

To quote, "In fact, this morning, I was reading a news article in Hacker News, which is a community where we have been working hard to make sure that Azure is growing in popularity and I was pleasantly surprised to see that we have made a lot of progress..." https://sg.finance.yahoo.com/news/microsoft-corp-msft-q1-201...