Can’t shrink much more.
The 787 is a replacing the 747 Hull for hull exactly as per ASX statement.
Project Sunrise is a pure replacement type for the A380 and will need less crew bypassing SIN to LHR and LAX to JFK.
Qantas reduced capacity from 4 daily flights to London and 1 to FRA or 5 down to 2 in total(1 787 from PER) and a lonely 1 A380 to LHR via SIN.
I listened to an interview with Joyce where he said the current size of international was as small as it could be as it was required to feed Jetstar Domestic, International and Japan as well as Frequent flyer.