Thats definetly something to have in mind, I thought they made it clear from the start if their intention was for you to join Buzz. Poland in itself isn't the worst part, specially when you compare it with the bases airlines like wizz have to offer. The self employed charter part is the one that worries me, I guess all I can do is hope for the best.
Most of these guys that got Spain didn't even ask for it as they're preference was actually to stay in Portugal