“In order for discipline to work, the disciplinarian needs to: a) be present at the time of the rule violation and not stuck in an office doing email or at a meeting full of exhortations; b) see the rule violation and not have eyes fixed on some clipboard checklist completing a form; and c) choose to go through the awkward and lengthy process of confronting the worker, completing more forms, dealing with human resources, and experiencing the inevitable backlash from the work team.”