Because merit is not dead easy (nor extremely difficult to earn either). Your posts are basically all in the Ann Altcoin section. That section is a rather well merited section overall, but there are trillions of posts there, so standing out and being spotted at the same time is likely rather difficult.

Besides, many posts that are merited there seem to be directly related to the ICOs themselves (OPs and team), somewhat technical, or blatantly Alt account meriting by the looks of what is actually being merited there. You should likely try to be more elaborate in your posts, and try to post in other sections you may feel comfortable interacting with, if you believe you can bring value there.