And they were replaced, weren't they, and as such, we can clearly deem that gunblades which fire bullets into the opponent are crap in comparison to guns. So, ask yourself, why do Squall and Seifer both use them? Because FF8 Gunblades do not fire bullets.
Of course, that's not really logic but mweh. But calling it absurd? Not really if you consider the physics of the situation.
