The comment looks to me to have been quite organically upvoted. The upvoters are mostly users who've been here for years (in many cases, a lot of years) and have posted and voted on all kinds of topics in the past.

While I have you, could I ask you to please review https://news.ycombinator.com/newsguidelines.html? Note these two of the guidelines:

"Please don't post insinuations about astroturfing, shilling, bots, brigading, foreign agents and the like. It degrades discussion and is usually mistaken. If you're worried about abuse, email hn@ycombinator.com and we'll look at the data."

"Please don't comment about the voting on comments. It never does any good, and it makes boring reading."