[bugufu8f83]

>And this gives away why they do it: the long-term aim is to cultivate voting rings to influence the narratives and rankings in the future. For now, this is only my theory but it may be a real monetization strategy for them.

I don't think it's clear at all why people do this. I suspect a large amount of it, at least on a site like HN, is just hapless morons who think it's "cool".