Your missing the point, there is not enough spectrum for sale,...

Your missing the point, there is not enough spectrum for sale, why do you think TPG and Voda decided to merge? Have a read from Voda on how ACMA actually make it harder for anyone to come into new spectrum unless your an incumbent:

https://www.acma.gov.au/-/media/Spe...or-comment/IFC-28-2017/VHA-submission-pdf.pdf

“substantially favour firms which have both an interest in mobile deployment and a presence as incumbents in the existing allocations (as they would have every incentive and ability to discriminate by seamlessly trading-off between their competing interests while denying mobile competitors access during the re-allocation period”