"No religious group in Australia will be able to convince a...

"No religious group in Australia will be able to convince a majority that their religious dogma over-rides that of our secular democracy."

You don't have to convince the majority. Muslims only need to convince influential Social Justice Warriors to allow the camal to get its nose under the tent in the name of cultural sensitivity.

For example, the UK has sharia family courts, which while not overriding common law, are still in operation. Why would a minority who wished to integrate want to have a parallel legal system?