Is Torah study a vital necessity?

Economically, opening kindergartens and lower grades is necessary and essential for opening the economy.
Is Torah study also a “vital necessity”? From both sides
A. Realistically, is the closure of the world of the rabbis and yeshivahs, like secular high schools and universities, a disaster for the world of Torah?
on. Hazal Amma believes that the world exists through the study of Torah, (if not through covenants, etc.) and that the Torah is both a blessing and a curse.