The short answer is that yes, there is absolutely objective truth. The truth is the truth, the truth is real, the truth is absolute, not just something you can mold to be whatever YOU want it to be.
And despite what the moron in the video thinks, irregardless of the overall outcome, even if something good eventually comes from it, it can never be a good thing killing 6 million people.
If the video idiot disagrees, then I hope someone rounds him up with a few million others and decides to put him in a gas chamber, just so long as the Perp himself believes it is for a good cause.