The problem is that the OP presents opinions and specific _suboptimal_ ways of doing things in such a way as to discourage the student from questioning them (by

The problem is that the OP presents opinions and specific _suboptimal_ ways of doing things in such a way as to discourage the student from questioning them (by omitting mention of alternatives, and treating cargo-cult patterns as if they were foundational principles or axioms.) The danger of learning from this kind of opaquely opinionated resource is that it fosters incuriosity; its students are more likely to discount or ignore other paths when they recognize "violations" of said [false] "principles". It'd be different if the materials were presented as a snapshot of one person's shortcuts, hacks and rules of thumb -- but that's not at all how it comes across. Hence my complaint and warnings.