Its' really just plain common sense. What would you expect if you leave the door open with a sign saying the following:
- Come in;
- no need to knock on the door;
- we will give you board and lodging as long as you like (and possibly a bonus or two for being so nice to us by coming here,even though you were not invited);
- if you have some children and friends, just bring them in as well.
- Do you have to pay? Don't be silly that's the ever increasing burden of the poor Aussies taxpayer isn't it?
After all this is Australia a land of plenty,or so they say. Mind you, my back is getting very sore carrying all these b....