I tihnk its irrelevant if he/she was hacking or not, the point here in this sub-section of cobat arms is to see if they have created a Good Montage or Not.
Some advice I would Give though is to Work on Your Intros/Outros and Try Not To Add Clips Where You Die or Transition Before You Die, only add a death scene if it is synced with the music track you are using.
+1 Rep Also.