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You are correct in requiring this. It is actually now a security risk as pointed out by Mark Jaquith in a blog post. You can link to this post if you like:
</div><div><br></div><div>http://markjaquith.wordpress.com/2009/09/21/php-server-vars-not-safe-in-forms-or-links/</div>
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<span class="Apple-style-span" style="font-family: Arial; "><span style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Times; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span style="font-family: Helvetica; font-size: 13px; "><span>Regards,</span><span><br><br></span></span></span></span><div style="font-size: medium; font-family: Arial; "><span>Tyler Cunningham | Founder, COO - <a href="http://CyberChimps.com/" target="_blank" style="color: rgb(0, 58, 138); ">CyberChimps LLC</a></span></div><div style="font-size: medium; font-family: Arial; "><span><br></span></div><div style="font-size: medium; font-family: Arial; "><span><a href="http://twitter.com/tylerbcunning">@tylerbcunning</a></span></div><div style="font-size: medium; font-family: Arial; "><span><a href="http://gplus.to/tylercunningham">http://gplus.to/tylercunningham</a></span></div><div style="font-size: medium; font-family: Arial; "><span><a href="http://linkedin.com/in/tylerbcunningham" target="_blank" style="color: rgb(0, 58, 138); ">http://linkedin.com/in/tylerbcunningham</a> </span></div><div style="font-size: medium; font-family: Arial; "><span><a href="mailto:tyler@cyberchimps.com" target="_blank" style="color: rgb(0, 58, 138); ">tyler@cyberchimps.com</a></span></div><br></div>
<p style="color: #A0A0A8;">On Friday, September 23, 2011 at 6:23 PM, Vicky Arulsingam wrote:</p>
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<span><div><div>I'm seeking clarification regarding the use of:<div><br></div><div><div>if ( 'comments.php' == basename($_SERVER['SCRIPT_FILENAME']) )</div><div><span style="white-space:pre"> </span>die ( 'Please do not load this page directly. Thanks.' );</div>
<div><br></div><div>I've been requiring that themes not include this. Am I correct in doing so or is the removal merely a recommendation?</div><div><br></div>-----<div>Vicky Arulsingam</div><br>
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