Do you honestly need LS dismemberment? In the SW movies lightsabers cutting off limbs were the whole point of them; I mean the way you people talk about "the feeling" you'd think the whole 6 movies were dedicated to humanoids getting their arms/legs/heads/lower body cut off.
Do aesthetics really outweigh the gameplay? Whatever happened to playing the game regardless of how it looks like as long as it's fun and the story keeps you hooked? (This is the main part of the argument :P)
The lightsaber stance is so that he can better control the force when he uses it against other people apparently, and think about it it works, the area is free in front of Starkiller so he can better manipulate the force.