Not at all. It has exactly one obviously useful piece of advice: don't make circular dependencies between libraries. In practice, that means organizing in laye

Not at all. It has exactly one obviously useful piece of advice: don't make circular dependencies between libraries. In practice, that means organizing in layers. Most of us don't depend on many libraries where the authors of the libraries know one another, so it is easy to follow, even by accident. It has lots and lots of obsolete advice, though.