Oh dear, I've just given 2 merits to a full member.
I've been reading a lot of the threads here, and I think I'm going to adopt a new policy. Any newbie with a post count of over 100, or an activity of over 30, is going to be considered as a spambie, and I will be extra cautious about giving him any merits.
Polluting the boards with spam should be discouraged, and I think this is one way to do it.