This is very true. We should think of the generation of young adults at the time of Vatican II. They had been raised and educated prior to the reforms of Vatican II. They were in their 30s, 40s and 50s during the worse of the “spirit of Vatican II” non-sense of the 70s and 80s. When the rosary was abandoned, when adoration of the Blessed Sacrament was abandoned, when the absolute worse liturgical abuses were common. When “Kum By Ya” was a common hymn during mass. Yet they went along with it all, lock, stock, and barrel. My mother it of that generation. She is a tradionalist now. She still says “what were we all thinking”. Yet many of the most progressive catholics, both the laity and the clergy today, are that generation, in their late 60s through 80s.
The problems had to start before Vatican II, it just doesn’t make sense otherwise.