AJT spend a good amount of time explaining to the pilots that there is no such legal term as a scab. Fine, say what you what about CargoJet's activities, but it make no difference in the USA. These are individual pilots who chose to move that freight, none of them will be welcome at an American carrier that is unionized. Game, set, match. Try convincing a hiring board that you were just moving a freight forwarder's cargo, they will laugh you out of the room.
It's too bad that you let your emotions override reality and common sense...
A while back, someone from an "American carrier that is unionized" chose to post a list here of people HE decided to label as $c@b$, without ANY support from his union. The union leader was later forced to repudiate the list and apologize for the person's unwarranted actions.
Don't let that happen to you. Don't put a label on someone that you don't understand -- especially as volatile label as this. You and your airline will suffer for it if you do.