The new religions were not the religions of a wealthy upper class but of the urban middle class, the poor in the cities, and the peasants. They carried an appeal to these groups because they gave expression to a new feeling of freedom and independence as well as to
Fromm argues that Lutheranism and Calvinism arose as psycho-social responses to the structural isolation produced by early capitalism, simultaneously articulating new freedom and encoding flight from its burden.
, Escape from Freedom, 1941thesis