Because your posts are not worthy of merit, and therefore it is unlikely that you could be trusted with the awarding of merit.

You need to escape from the crappy bounty prgrammes, and look at the real vista of the emerging crypto world.

You could also try reading some of the stickies at the tops of the boards. believe it or not, they actully contain useful information about the merit system;

You are another one that I've put on ignore for trying to take advantage of Bitcoin Talk.