What's the point of upvote farming?

Like half the posts on the Hot tab are people going like: Champion X is annoying , fuck that champion, and there are a bunch of comments saying like "trueeeee".Those posts don't offer anything other than just being there for people to get upvoted. What's even the point of that?
Best New

We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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