They did not „already pay for it“.
Think of the EU like a gym. Only because the gym bought a treadmill with your membership fees from last year, does not mean you get to keep access to that treadmill once you decide to terminate your gym membership.
Think of the EU like a gym. Only because the gym bought a treadmill with your membership fees from last year, does not mean you get to keep access to that treadmill once you decide to terminate your gym membership.