It's a game. "upvote" doesn't mean "give a real upvote", it means "select". You're given two article headlines. One is real, from HN. The other is bot generated. You have to select the real one.

It's from this submission https://news.ycombinator.com/item?id=6815282

People supporting things they like, software they use, companies they favor, etc.

Anyone who wants their opinion to be the most-visible one, aka the reason why we get specific topics ad nauseam.

The 2nd and 3rd person to indiscriminately submit whatever Ars and AOL shat into their RSS reader.