The hope for Canberra is they need to get a team in the A League.. And i reckon that could happen in the next round of A League expansion. Once Bruce gets three tenants, surely it has to get upgraded/renovated/ knockdown.
Worse case scenario, the pollies come up with the idea of building a stadium to cater for all five sports (NRL, Rugby, Football, AFL, cricket.)
Canberra getting an A-league side won't have any significant impact on the stadium. Labour and the Greens will just come up with another excuse as to why the new stadium (and most other sports infrastructure) has to be delayed inevitably, and continue to pour most of the ACT's infrastructure budget into the light rail and bike paths.
It's not just the stadium either. People outside the ACT don't seem to understand just how badly the government has neglected or mismanaged most infrastructure and services in the last 15-20ish years. Put simply, because of some unique political circumstances the ACT is effectively a one party state, and that has allowed ideologues to run riot here.
BTW, I have no doubt that Barr, and by extension Labour, quietly has designs on a 'multipurpose' stadium. Though it may not meet the city's needs in the slightest, one stadium is cheaper to maintain than two...