Ineffectiveness of the rating system or the course of thought

Hi, inhabitants of self-regulated community.

I am turning this way because I want to raise the eternal, unreasonable question about the habr system. I will describe a brief scenario.

1. A certain user publishes an interesting topic, which implies a heated discussion.
2. User number 2 leaves a practical comment on a topic that many people like.
3. User number 3 strongly disagree with him. He expresses his indignation with a counter comment.
4. Begins a long branch of a measured small talk or holivar.
5. User # 2, fiercely supported by the public, picks up the pluses, User # 3, respectively, the minuses.
6. The atmosphere is heating up, the intrigue of the issue does not let the suffering. The dialogue is growing before our eyes, together with the spread of assessments of the participants in the dialogue. Among the commented comments of the national favorite, his opponent’s speeches can no longer be seen. Community members, it seems, no longer read faded comments, because they are not visible. But they consider it their duty to finish off the lame and hold the winner. This is what happens.
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Familiar? This is the whole habr. But I'm a little about something else. Why did the commentator beaten with stones drop karma from +14 to -18 (any coincidences with numbers are random, characters are fictitious)? Yes, if he was the last muddy eccentric in the topic of discussion. What does it have to do with his main commentary, which allows him to write? Well, the person said nonsense, well, expressed disagreement in the topic. Well, fine. Why shit on? Going into a profile like a humiliated one you see a sad rating, the inability of the author to post new topics. And while a bunch of already written topics that have a very high rating. And here in half a day he lost it. And then someone is surprised at the low quality of the content in the habr.

No, the heart in the pope is not my knocking. I went through it. Many have passed. How did it end? People just refrain from commenting. Or they get virtuals to express their own opinion without fear. But in the main Akka quietly write topics. Any member of the community will be somewhere wrong. But it always seemed to me that karma is not a thing that prikolko chase in different directions or throw out your batthert there. This is just a tick that you put in order to mark whether you need a person at habr or not. And even if someone said that “Linux is a bad OS”. Does this mean that it should be driven into a minus? May be. But rather in the topic of discussion. And not a slap in the face.

That's all I wanted to say.

py.sy. Subject sucked utterly. But suddenly something will inform?