Why will Virgin be treated differently than Ansett? (I was pretty young when Ansett went bankrupt, but Virgin's reputation seems to have been "trying to be Ansett and make a duopoly again".)
It's a different scenario to when Ansett went under, as back then the problem was isolated to Ansett, and the industry was still fundamentally strong (due in part to the entrance of Virgin, which at that stage was an up-and-coming low-cost carrier with solid backing from Branson and other early investors).
The AU government wasn't willing to bail VA out of insolvency, but now that a private buyer has come in to restructure it, it will be able to get the same benefits as Qantas.