I don't think he was using the word ignorance as an insult, even though thats what everyone seems to think.
It is very hard for someone to offend an Atheist

But extremely easy to offend those who subscribe to religion.
No one can prove or disprove the existence of a god, but just as Christians truly believe with every fiber of their being there is a higher power, Atheists truly believe there is not.
I respect the rights of those who choose to believe in God, even though I personally believe it is nonsense. Me calling it nonsense is not an attack on your beliefs, it is me expressing my opinion

.
This video bothers me because it makes it seem like everyone in that mall subscribes to the same religion, which they likely don't. Also it is very staged.