From my experience a lot of Java guys have no idea about the wider world of languages out there. They can be total experts in Java and get very confused why you

From my experience a lot of Java guys have no idea about the wider world of languages out there. They can be total experts in Java and get very confused why you are not writing something in Java. The vast majority of programmers don't read HN, reddit or really follow any industry news. They work in Java or C# which are entirely self sufficient with very comprehensive SDKs.