Stephen Crow betrays the negative influence of misappropriations of DE in his use of two words, 'learning' and 'delivery'. DE practice has put the word 'delivery' into our lexicon. Contemporary obsession with media, exacerbated by the certainly invigorating advent of the Internet, now sustains talk of 'delivering the curriculum' where we used to speak of 'teaching'. The unspoken suggestion is that delivering a curriculum is a more systematic and rigorous way of talking about teaching. But of course, it is nothing of the sort.
Teaching is inherently a two-way and interactive process.
Even in apparently one-way processes like lecturing, any lecturer worth her salt must have regard to the ways in which she may expect to be received. Truly engaging lecturers will 'play' their audience like a kind of actor. There may be room for questions, during or after a session, which implicitly recognizes the partial nature of the lecture form as teaching. The metaphor of 'delivery' misses out all of this. It predicates the student as isolated, or even passive.