I think you’ve got that very wrong.
Qantas will put A321 neos on the triangle/trans cont and phase out the 330s.
The 737 fleet will be replaced by 320/321 neos
There will be token 787 services connecting to Europe on the west coast side and the americas on the east coast side.
Mainline will get the 787s from JQ which will become an all
A320/321 operator.
The 787-8 will probably do transcont and thin long distance routes.
They will look at the 797.
The A350 will be the project sunrise winner. Despite the 777 being a great aeroplane, it’s an older design and with AJs emphasis on new technology, it’s a new generation of jet.
This will replace 380s and they will get 20-30 of them.