I do think it’s funny how that might be a character revealing moment, suggesting the hacker is Gen X or at least elder millennial age.
I did toy with the idea of trying do analysis of HN aliases and keywords. It never went anywhere, because I forgot about it, but a longer weekend is coming:D But yeah, language betrays, who we are in references alone.
There's no way you could determine how old a person is or what technologies they enjoyed way back in college solely from a username.
Are you just trying to goad them into showing they can? :D