one must also submit to the discipline provided by imitationand practice.
Too many zettelkasten aspirants only want the presupposed "rules" for keeping one or are interested in imitating one or another examples. Few have interest in the actual day to day practice and these are often the most adept. Of course the downside of learning some of the pieces online leaves the learner with some (often broken) subset of rules and one or two examples (often only theoretical) and then wonder why their actual practice is left so wanting.