Don't be surprised that some later entrants skipped over people that were there from the beginning. That is exactly how they "promoted" people when I briefly worked for them. Experience counted for nothing, what counted was how much you "brown nosed" the people in charge of promotions.
I say to all who have lost their jobs, do like I did, let it go, shrugg it off, put it down to a nightmare company to work for and search "proper" airlines for a new job and new direction. EAL rest in peace and let it be a model to other new start airlines of how not to run an airline.