So to summarize, to get rid of an extra 10 (or even 100) megs in Ruby (or 0 megs in some other languages) of memory usage (and disk usage don&#x27;t forget!) spend weeks rewriting, testing, and integrating your own code instead of using already written, tested, and integrated code. Now, that I&#x27;ve clarified the article&#x27;s point, how can anyone not follow this &quot;best-practices&quot; advice? &lt;&#x2F;sarcasm&gt;