The NBN’s huge fixed costs require that nearly every Australian household subscribe to the network in order for it to be financially viable. However, as more homes abandon the NBN in favour of wireless options, including 5G mobile and Elon Musk’s Starlink satellite internet system, the NBN’s fixed expenses are shared across a diminishing subscriber
Jack shit, they have no power over that, but you can be made aware of an available upgrade as soon as they are possible.
I’m with ABB, and when FTTH upgrades were available in my street I had my appointment booked the day after they were given the green light by NBNCo. I was up and running on gigabit fiber (upgraded from FTTN VDSL) within 2 weeks total.