Most users of it use it constructively and/or humourously. If you're feeling like you're being treated unfairly, report it to an admin (probably tengu or maybe sole, because I don't know what I'm doing with the rep system).

Of course we don't need it, but I think it adds something rather nice and I think most people feel the same way, if they have an opinion at all. Like sole said:

Quote Originally Posted by solecistic View Post
I think the rep system can make people post better. If it makes even the slightest bit of difference, I think it's worth keeping.