At least some of the things on that list have long been bugbears and known as sources for either incorrect/erroneous explanations and code (most of Schildt's ou

At least some of the things on that list have long been bugbears and known as sources for either incorrect/erroneous explanations and code (most of Schildt's output for instance). So it may be an attempt at gatekeeping but on the face of it seems a reasonable one.