You completely missed the point. My point isn't that node is better or worse than any of them, my point is that if you're starting from scratch with no back-end

You completely missed the point. My point isn't that node is better or worse than any of them, my point is that if you're starting from scratch with no back-end knowledge, then the benefit of already knowing the language you're going to use on the back-end is dwarfed so heavily by the other stuff you have to learn that it's inconsequential.