Why? Would you mind explaining more about the idea.
I think merit system is good but it cannot be implemented well here.
In contrast, I have seen lots of meriters who has sent their sMerits away to so many deserved threads which published by different users in the forum.
Of course, there are merit farmers, but they will be punished with really strict punishments like this one:
More mass merit farmingAlso i have seen people not so keen in giving merit to others and mostly merits are used for account farmers to help their accounts grow.