There's almost no reason for Envoy to give us pay raises, they are turning new hires away in order to control exactly how they want the new hire classes to lay out. We're not losing current employees since half the pilot group will flow in 5 years or less (from today).
Looking into the future yes we could very well see a shortage of new hires again due to pay falling behind the norm. There's just not enough evidence today to convince AAG that pumping money into the pilot group will result in any financial returns for them.
Want to increase pay? Start convicing people to stop coming here now.. and maybe in 2 or 3 years AAG will bring pay back to the table.