Oh I thought they were trying to say the reporter isn't elegible for a bounty...but then saw there is no bounty. Why do they care whom the bug reports come fro

Oh I thought they were trying to say the reporter isn't elegible for a bounty...but then saw there is no bounty. Why do they care whom the bug reports come from? Or is it just some ploy so they can discard reports when they want...if so why even have this in the first place??