This is more to do with 343s heavy use of volumes to make up for fixed trajectories. It definitely hurts gameplay too. I can remember several instances where man cannons just didn't feel right because they've glitched out or something when in reality it was just volumes fucking with me.Jetpack once again ruining any semblance of fun left in halo.
http://www.youtube.com/watch?v=6eQQw2RDKGQ&feature=youtu.be.