No-one said they should know it before coming to an airline but they certainly need to know it once they take the controls of a jet with 35 - 90 souls in the back.

Education is expensive in this country in case you didn't notice. A guy that has never fired up a turbine engine, never flown a pressurized cabin, never loaded an FMS, never used an autopilot, never seen a dispatch release, never flown in a 2 crew environment, never dealt with sterile cockpit procedures, CRM, New York approach, etc etc etc, I could go on and on.
Suddenly finds himself in the right seat of a multi million dollar airliner and a freshly printed type rating, and has the audacity to complain that his pay is low for the first year. Talk about an unappreciative ungrateful brat.

Should the regionals provide new hires with the penthouse suite in the Four Seasons during training too? Maybe the recruiting team should come to your house and interview when its convenient for you.