<p>How was he treated much more mildly? The guy has resigned and lost his position as Dean. You don’t really think it was entirely volitional do you? And no doubt he will be impacted by the big blow to his reputation in his professional world (or so I hope/assume). </p>
<p>Students don’t have such reputations (yet), not to mention they too are known to just quit when called out (I’ve seen several cases where we let students quietly leave rather than pursue misconduct). You just don’t read about those in the news.</p>