Per the comments on that blog post, this was previously discussed on HN: <a href="https://news.ycombinator.com/item?id=14170041" rel="nofollow">https://news.ycombinator.com/item?id=14170041</a>
I didn't know github comments was a thing, but if it's Microsoft instead of Disqus tracking people everywhere, it doesn't seem like an improvement.