I&#x27;m a fan of Schneier&#x27;s take on it:<p>&gt; The whole thing neatly illustrates one of the main problems with backdoors, whether in cryptographic systems or physical systems: they&#x27;re fragile. [0]<p>[0] <a href="https:&#x2F;&#x2F;www.schneier.com&#x2F;blog&#x2F;archives&#x2F;2015&#x2F;09&#x2F;tsa_master_keys.html" rel="nofollow">https:&#x2F;&#x2F;www.schneier.com&#x2F;blog&#x2F;archives&#x2F;2015&#x2F;09&#x2F;tsa_master_ke...</a>