Is it that those who have excess of merits reserves their generosity or there are laid down principles in writing a Meritorious contents.
No one this forum, but everywhere, there are rules that applies that can make your post merit worthy, that is quality and authenticity of your posts, how helpful it is and convincing it can be for people that do not even know you before. There are different boards on this forum, with all having different active posters, if you study that well, you will notice that the active posts that have quality posts are getting merited, they receive merit as often. You also can be lie that, go for boards of interest, read what quality posts are posting than you posting and learn in the process.