Neither do pale skinned 90 year olds. Didn't stop her being shouted at and treated like dirt in SYD. The fact of the matter is you never know. Do you think UK visitors to Australia just flash the passport and get in no questions asked?
Should we have a queue for whites and one for the darker skinned visitor? Or should an Australian passport give you free entitlement to the fast track queue?
I'm not sure if it's been a while since you've been here but your attitudes remind me a bit of the late 80s in the UK. We've moved on. I suggest you do too before you really offend someone!!