https://www.giannileggio.com/en/tags/testing/Recent content in Testing on Gianni LeggioHugo -- 0.153.0enSun, 24 May 2026 07:23:45 +0200https://www.giannileggio.com/en/posts/false-confidence/Sat, 23 May 2026 00:00:00 +0000https://www.giannileggio.com/en/posts/false-confidence/<blockquote> <p>The electrician was standing in front of my panel.<br> Rows of switches. None labeled.<br> He had a marker. He put it back in his pocket.<br> I asked why.<br> &ldquo;Because I&rsquo;m not sure which does what. And a wrong label is more dangerous than no label.&rdquo;<br> The next electrician would trust it blindly.<br> He walked away. The switches stayed blank.<br> I thought about that for a long time.</p> </blockquote> <p>Then I recognized the pattern everywhere in software.</p>