>Also development time of Java may be slightly longer in the early stages but I generally find refactoring of Java projects and shuffling of timelines etc is a ton easier than Go. So I think Java wins out over a longer period of time even if it starts off a bit slower.

I think this topic is far too large to be answered in this brief sentence. I also think it deserves a higher allocation of your words than what you spared for java's capabilities :)

But yes, I see now that you are interested purely in performance in your argument and definition of systems software, in which case what you're saying may be true.