The age old argument of chicken and egg has been resolved. We are now in the process of trying to differentiate between free will and predestination. So, let us imagine two people travelling from Cork-Dublin by train, same carriage but unknown to one another.
On the return journey only one of them was onboard that was the person with the Charlie Haughey card which permits unlimited free travel between Lee and the Liffey. The other was not as fortunate and had no other choice but to stay put in Dublin.