Problem is they do not have the balls to do it.
Maybe they're just not that stupid.
What are you going to get out of an airline that doesn't make any money? Lets say you go on strike, what happens?
A. Airline plays hard ball and doesn't budge. Company goes out of business and everyone loses their jobs. Maybe you feel better, but I'm guessing your family thinks you're pretty stupid.
B. Airline gives in to your demands. Higher labor costs, along with higher fuel costs, and low cost competition force the company into bankruptcy. Either it goes out of business or your new contract gets disolved anyway. Again, you lose.
C. Airline plays hard ball and union gives. Again you lose, while looking really stupid.
Tell me where I'm wrong here.