This teacher offered students a contact with reality, a chance for them to observe in bloody physical detail instead of read in sterile isolation. If such events are harmful or ill advised, why do schools still offer field trips? Maturity requires experience and a knowledge of the world that videos cannot provide.
‘The abstract is not life and everywhere draws out its contradictions. You can refute Hegel, but not the Saint or the Song of Sixpence.’
W. B. Yeats