It looks like a single comment [1] and s/he has many unrelated comments [2]. Looks organic. I'd be worried about cases when all the comments have a link to the project in spite it's barely related. I've seen a few, but most of the times they are downvoted or flagged.
[1] https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...
[2] https://news.ycombinator.com/threads?id=tornikeo