I have indeed been in some games where most of the cav is stacked with us GK's but it does not happen as often as people here think it does. And even when it does happen, the opponent tends to have more infantry then our team and still have a big chance to win. Also, GK's do not get a constant x5(by far), even on cav maps.
And to the infantry that go like "aww I got bumped by a cav and then backstabbed to death they are so overpowered I must go cry in a corner"; I played my share of infantry, it's overrated. Cav is easy to kill/repell if you pay attention. I'm sorry for you that this game is not a cakewalk.
Oh and another thing. Why do all the two handers get stacked so often huh?! Damn those OP two handers, they keep backstabbing and hilt slashing me, I gotta find a corner to cry in.