Why is the avg starting pay for a c++ developer not even on par with java when c++ is a much bigger pain in the ass than java will ever be? I’m not saying java

Why is the avg starting pay for a c++ developer not even on par with java when c++ is a much bigger pain in the ass than java will ever be? I’m not saying java is all great mind you but for the insane complexity of c++ I expect more money dealing with it.