&quot;Sadly they couldn&#x27;t articulate any actual problems with Java...&quot;<p>The first thing they said about Go applies to Java: &quot;Go felt promising but too low level for us to express our query language productively.&quot;<p>You certainly can write that sort of code in Java, as evidenced by the fact that many people have and continue to. But you can get a <i>very</i> big win on that sort of code in a lot of other languages, especially if you&#x27;re resource-constrained.