Its the very worst part of this game. People who want to do parkours and things that require dexterity play Assassins Creed or Battlefield.
The only thing that the parkour adds to the game is to highlight that the up arrow in fact does not move your character north on the screen and that the hit boxes on your character and the pads are not graphically represented, both are things that can be completely ignored up until the point you need to jump across the stupid parkour.