Pius IX, Pius X, Pius XII, Paul VI, and Francis represent the papal maximalist school. Ideologically, they were more alike than not.
Leo XIII, Benedict XV, Pius XI, John XXIII, John Paul II, and Benedict
XVI were markedly different from the maximalists, albeit in diverse ways.
The Pope decides who is catholic, sayeth Pius IX.
Love the Pope sayeth St Pius X.
We still have a long road ahead in overcoming Vat1.