There was an option called upvote/downvote. To be honest, I was one of the best users of that forum but you know what, my reputation was -17, because there were some users who had fake accounts and they were only downvoted all of my posts.
That's what will be happened here too. Trust, merits are not moderated. If there is something like -1, you can easily destroy one's reputation. And that's why there is DT member for trust feedback. Otherwise, I may create 100 of accounts and paint anyone I wish which would be visible to everyone.