Is that title a play on the <i>also failed</i> education policy called &quot;No Child Left Behind&quot;?<p>Such policies fail for a reason. You&#x27;re not supposed to cater to the <i>least common denominator</i>. That way you&#x27;ll slow your progress down much more than you would otherwise.<p>You can&#x27;t support broken security for another decade just because 2% of the users will continue to use the tools that are broken. I&#x27;m willing to bet there will still be Windows XP users 10 years from now <i>unless</i> everyone just decides to leave them behind and purposely break their apps&#x27; support for it. And they&#x27;d be doing those guys a <i>favor</i>.<p>Here, it also teaches OEMs that they can continue to leave their devices on ancient versions of Android, because someone else (hint: like Cloudflare or Facebook) will solve that problem for them down the line. When instead, the people who bought the phones from Huawei or Xiaomi, or whoever sold those Android 2.3 devices last, can see their devices <i>stopped working</i> properly, curse those companies and buy from someone else next time.