They required communication with others and careful reflection. This technique would be difficult to mass produce since it is based around interaction between people. This cannot be easily captured in a book, it cannot be reduced to a simple formula or two. One who takes on the Stoic technologies must be prepared to spend years apprenticing themselves to masters. A similar phenomenon happens with psychology.
Freudian analysis can take years for it to be fully effective.
Many other forms of psychological treatment are involved processes. These technologies, while calling upon a general school of thought are specifically tailored for the individual. If a technology is to mass produced, it seems impossible for it to be individualized. This causes the focus of these mass produced technologies to shift from transformation to creation. The thrust of Franklin's Autobiography is not to transform the individual in a specific situation, but to guide the individual in becoming an icon like Benjamin Franklin.