Well... I'm not going to read 4 pages of posts. But, I would like to share my opinion on the question raised.
Each user and the merits to whomever they want, wherever they want and whenever they want. If the post to whom the merit is given has a lot or little quality, it can even be a question. But what is good for me may be different for someone else. Although generally speaking, the whole community has the same concept.
Now, if there are users who misuse their smerits, it's unfortunate. But, we cannot harm those who use them well.
He noticed that sometimes, an exaggerated and wrong concept was generated, who and certain boards "should" exist less given merits. What is wrong. A user can make a good merit post on any board.
Therefore, as it has happened until now, and the distribution of merits is free, it must continue like this.