Non-technical users do not use sudo, but they do use a web browser. Do you think Facebook add this JavaScript console warning for no reason at all?<p><pre><code>   .d8888b.  888                       888    
  d88P  Y88b 888                       888    
  Y88b.      888                       888    This is a browser feature intended for 
   &quot;Y888b.   888888  .d88b.  88888b.   888    developers. If someone told you to copy-paste 
      &quot;Y88b. 888    d88&quot;&quot;88b 888 &quot;88b  888    something here to enable a Facebook feature 
        &quot;888 888    888  888 888  888  Y8P    or &quot;hack&quot; someone&#x27;s account, it is a 
  Y88b  d88P Y88b.  Y88..88P 888 d88P         scam and will give them access to your 
   &quot;Y8888P&quot;   &quot;Y888  &quot;Y88P&quot;  88888P&quot;   888    Facebook account.
                             888              
                             888              
                             888
  </code></pre>
See <a href="https:&#x2F;&#x2F;www.facebook.com&#x2F;selfxss" rel="nofollow">https:&#x2F;&#x2F;www.facebook.com&#x2F;selfxss</a> for more information.