I think that's not going to happen. If they disable the merit system, all greedy people's outside this forum are going to create a new account. And create/spam a shitpost to rank up thier ranks.

Because they think the higher rank,the higher income.
I hope you see what will happen if they disable the merit system.

Now, if it's hard for you to rank up faster because of this merits, maybe its not to late for you to learn more.
I suggest to study and practice your strategy on how to get merits in a fair way.