no. it's not.
He's entitled to his PRIVATE holiday and he can use who the hell he likes to fly. I guess Easyjet employees are part of Unison also, not that it matters.
Why is it 'outrageous' and 'a scandal' nowadays when anyone does anything that is not what they deem 'reasonable'.
people have far too much time on their hands, and should really chill out for a bit before they have a heart attack.