Of course, it was done by Ozzy Man Reviews. Even an Australian satirist with no formal firearms training can easily see how this kind of crap is stupid.

https://www.facebook.com/ozzymanreviews/videos/1778497972186062/

“He’s not hitting any of the targets… but that’s ok, you don’t always have to kill everyone. He’s causing alot of… discomfort in the combat zone.”