Do you have any evidence for your accusation?
We detached this subthread from https://news.ycombinator.com/item?id=13676504 and marked it off-topic.
I'm legitimately curious if KirinDave has evidence that r/t_d buys upvotes.
In face-to-face conversation, most good-faith signals are sent with tone of voice and physical expression. We don't have those channels in text so it's necessary to encode them some other way.