The question about the historical usage of men to refer to human beings generally was closed as off-topic. It seems to fall under usage and perhaps even etymology, two of the listed acceptable topics.
However, the question is obviously duplicative of Can "man" always be used to mean both men and women?. I've seen questions closed as duplicates that were (in my view) considerably different in substance from their identified duplicates, so this one could have been trivially closed as duplicative. Why was it instead closed as off-topic?