Gamer Clear Fallout 4 Without Killing Anyone

As you already know , Fallout 4 director said that Fallout 4 will allows player to adopt a less violent path. This statement inspired Kyle Hinckley who runs a Youtube Channel called The Weirdest to finish the game without killing anyone.

If you did play the game, you would know that to clear some stages in the game you need to kill six people. But Kyle Hinckley find a way to bypass all that.
To prove his claim, Kyle make a Walkthrough (playthrough), on his Youtube Channel.
 This is the final part of this walkthough :                     
Try it and tell us what you think and if this is really possible.
Otaku,Cats lover and of course the founder of "When life gets hard.. just Watercool and OVERCLOCK !"