I’m curious…. What, exactly have Jet2 done wrong here?
They are simply responding to business needs at the time, and will have an internal process in play for recruitment.
Stop trying to blame Jet2 for being horrible. If you get knocked back, accept it, reapply, don’t reapply. Your call. But stop with the entitled attitude. Jet2 do not owe anyone a job or an explanation.
In the same way, many pilots have several interviews and may be in the hold pool more than one airline. I have also seen pilots simply not turn up for day 1 of a course without any explanation. But you don’t see the airlines bleating to each other about it!
If you want a long career in aviation, you need to learn to accept disappointment and then pick yourself up and move on.
I have no skin in the Jet2 game. I have, however, seen them offer great opportunities to many pilots / aspiring pilots over the years.