YYA, you describe a process of religious Jews in Israel becoming non-religious in the next generation.
I am sure it looked very focused for those who lived in EY at the time. But I wonder whether this sociological process is part of what was happening everywhere in the early 20th century, with the world going mad with communist ideas – either parallel to what was happening with Jews in Europe or just part of that process with new arrivals bringing their non/anti-religious attitudes with them.
Times often define the events, not specific movements. As Menashe says to R Ashi in a dream “if you were to live in my generation, you would be running after me [towards A’Z] picking up your suit ..”