Of course, it's not a done deal yet; any change would need unanimous support from state attorneys-general, and until recently, South Australia's AG, a right-wing Christian authoritarian (and Labor Party member), has been vetoing it.
The government's hand was possibly forced by its tenuous coalition with the Greens, who are far more progressive on these issues than the major parties; the Labor Party who lead the coalition still officially support a national internet censorship firewall, after all. The conservative opposition coalition have not made any statements on an 18+ rating for video games.
Please keep comments on topic and to the point. Inappropriate comments may be deleted.
Note that markup is stripped from comments; URLs will be automatically converted into links.