The NBN is paid for with borrowing, which are repaid by it's users (and will return a profit in time). Other then adding revenue in the future, it costs taxpayers nothing.
So I have the answer to your question which you did not ask.
Forgoing the NBN would enable
-no new hospitals
-no new doctors
-no new nurses
-no new reopening
An ignorant person
(who never thought it would be free)