That Facebook video is certainly ugly. Looks like the cars joined the bus queue as a sneaky way in. But all those people walking towards the terminal and jumping the fence, then walking through that airside gate is certainly not great. In some other countries you would get shot for doing that. Something I picked up on Friday was that security wasn't great. I witnessed a mother and child near the Avalon terminal apron, duck under a barrier, run across the apron to take a photo. Took minutes before anyone noticed. Jetstar was boarding about 100m away.