Commutability, pay, days off/vacation, quality of schedule/life, upgrade times, and. . .

What happens if oil prices go up again? Are the airplanes going to be parked by the majors?

What happens if the pilot "shortage" becomes worse? Is the airline going to be able to staff, or is it going to shrink?

Nobody knows for sure these things, but they should be in your risk assessment matrix. Decide how much of a chance you want to give these events and how severely they would affect you in the chance they did happen.