Karma was the useless metric, not a post's score. When you upvote something, others are more likely to see it. Simple as that. As far as I know no algorithm is being trained to show you similar content, it's just a question of you wanting to give visibility to a post for any reason you might have.
Karma was the useless metric, not a post's score. When you upvote something, others are more likely to see it. Simple as that. As far as I know no algorithm is being trained to show you similar content, it's just a question of you wanting to give visibility to a post for any reason you might have.