The time has come the Walrus said;
If this is Muticultural Australia I'm outa here.
On second thoughts they are out of here.
I thought refugees, migrants or whatever they choose to call themselves came to Oz for a better life. That includes accepting the sanctity of life, good natured style and culture which makes this country attractive.
If that's too hard they can go back from whence they came and try out their new found taste for tolerance, liberty and freedom there.
If they are studying on visas they should be revoked and don't recall a visa allowing political activism.