Go jobs are not that popular either especially outside US. Java is way more popular and with recent improvements on JDK Go does not offer that match advantages over it.
And compared with Go Java is fully memory-safe and have independent implementations.
I like modern Java and agree it's a much better language than Go and an excellent platform in general. But Java will not beat Go where small and fast native executables are required. The native story for Java will remain a sad one, builds being hyper slow (aot) or resulting in huge binaries (jlink).
Then you've not tried to do any cloud-native development. Go in cloud is like Python in AI