MH4U is infinitely less janky than dragons dogma in every way imaginable (I played with a circle pad pro). They are not even on the same level, especially with collision detection.
Most of that is due dragons dogma being a bigger more ambitious game, which almost always comes with jank.
Edit: Here is a video
https://www.youtube.com/watch?v=e-CmJ2h8mwU showing some of what I'm talking about. This shit happened constantly, and frequently caused the AI to path is strange ways and aggro enemies far from me and die.