The explanations in the articles are several decades out of date. Nowadays, parents and schools have other focuses than the intricacies of bowing, and companies

The explanations in the articles are several decades out of date. Nowadays, parents and schools have other focuses than the intricacies of bowing, and companies routinely hold classes on this (and, more importantly, "keigo", the formally polite grammar and vocabulary) for newly-hired graduates.