Jetstar strategy may be clear to some, but as a regular traveller they are often more expensive than both QF and VA so go figure.
Not sure why anyone would pay more for a lesser experience and be happy about it under any circumstances but the smartest guys in the room obviously have (or it that had) a plan that ignores the punter.
Flogging some cheap seats is hardly going to fund vast capital expenditure and in the days past was done merely for cash flow.