As i am reading comments in the forum, i saw an account with 3 activities and a 100+ merits. Im curious how he/she get that. I dont know if he/she had a backer or what. Is merit can be manipulated? Im not saying that he/she manipulated it but i dont know just my instinct.
Manipulated? maybe traded by them. 
If you look at it, you should see and attention of his post first, if it turns out good and very constructive post then you do not need to be suspicious with the merit that has been obtained by him.
