... I'll reply to your points and then walk.
1: Is prototype flyer being honest? Er..I doubt it!
2: Was he directly employed by Easy? Er... almost certainly not.
3: Was he fired? No!
4: Did he have a contract? Maybe a fixed-term contract.
5: Does he have grounds for litigation? Don't make me laugh!
Now, before pushing your argument further, maybe you'd list all of your qualifications and experience in English law... and the airline industry?
bm