The fact that the present formation system also has certain positive elements is not the reason for its maintenance, for today it already fully leads to the self-destruction of the Church.
We need not be afraid of the reform; throughout the first millenium the formation of priests was not dependent on university education at all and yet it did an effective mission.
Moreover, the early Christians likewise had no philosophico-theological education and they were able to preach Christ, do a mission for His sake and finally even to lay down their lives for Him.