Aatrox Unit Collision? Unit Collision in general?

Look, I don't mind if the new map's minions make it hard as fuck to maneuver as a melee champ just so long as everybody is on the same page, but this is just mean.

https://www.youtube.com/watch?v=TiQXgUOAn7s&feature=youtu.be

Does Aatrox have a passive that I'm not aware of?

(Sorry no audio, just imagine me screaming "wait what, why!?!?"