EJM, I think the disparity was bigger 100 years ago. From some lady’s story in Poland: father and brothers went to Rebbe’s tisch for yom tov, and mother and us were sitting at home, not knowing what to do…
As to the younger Rav, I would never vote to fire an old one and hire a new one without a cause just because “we need to attract younger people” or something like that. I also haven’t been to tristate for more than a quick visit for the last decade.