To codify method is to impede understanding, thus lessening the chance that people will challenge any underlying preconceptions they may hold. Even the tools protagonists recognise that the focus on tools was misguided, but rationalised the mistake.

What does non codified mean?

Non-codified policies include materials and policy documents that have not been incorporated into statutes and regulations, state board of education memos, policy guidance, and other information from state agency websites.

What codify means?

: to put (laws or rules) together as a code or system. : to put (things) in an orderly form.