While reviewing I came across this post. It was actually my Late Answer post review, but it is not only a Late Answer review but also a First Post review for the same post since the reputation of user was 1. Because of reputation limit the user can't comment hence he made comment in answer box. My point is should there be a feature where a new user wants to do which activity first like 'Asking a Question' or 'Answer' or 'Comment'. if I downvote it then the new user feels uncomfortable with site. If his/her post is flagged because of our rule then this is also not good, because he/she may have some better solution, but reputation limit and rules of answer is restricting him/her.
You can (in order to priority - IMHO)
Mostly, when I see such posts from new users I flag the post, then add a comment something like this: