Yeah, I can see the terminals around Australia are choked to overflowing with disappointed businessmen all clamoring for a flight to TWB.
Good luck to them. At least the couple of Dash-8's currently serving the demand will never have to worry about running out of runway.
The Wagners are not looking 5 or even 10 years out
From the article (my underlining):
The facility, with a 2.87km runway capable of taking jets up to Boeing 747s, will be in use by the second half of next year and is expected to handle 500,000 passengers a year by 2019.
"If you build it, they will come".