Forum has anti spam bot. Is it possible to create bot which scan posts for plagiarism, if passes then scan for quality. Bot should be able to give merit or recommend post for merit. Depends what is better.
Do you know different between human and bots ? And really did you research why are merit system implemented ? I don't think so. A computer work faster more than a human, but computer should be operate by a human. So how a bot will consider which post is deserve merit ? I have doubts about your account, really are you bot or human ? Because everywhere you are suggesting for bots.
For meriting on a post you need to confirm that it's really worth of merit or not. For consider it obviously you have to use your brain. A bot have no brain. So there is no chance implement merit bot.
I think you should not post about merit system until you haven't earned enough.