One might discover that some of these destinations are full, but the bums in the seats are code-share, and result in low yield for GF, combined with high overhead costs, it's unsustainable....retrench, regroup, severely reduce overhead, re-negotiate code share contracts, or eliminate them entirely, and start again....most airlines here can afford the low yield routes, as they are buoyed by those which have high yield, this is not the case with GF at the present unfortunately, but drastic times require drastic measures, unfortunately the front line employees bear the brunt of management missteps over decades...as is the case with airlines world wide....