No surprise there.This video sure has caused some heated arguments on Rimfire Central and Sniper's Hide forums.
Australia.Where was it taken?
I do take note that the .22LR manufacturers that are catering to the .22LR long range crowd market long range .22 LR ammo for that purpose that's subsonic:
Lapua .22LR Long Range = 1106 FPS
Lapua .22LR Super Long range = 1106FPS
SK .22LR Long range Match = 1099