That's fair. I suppose I just find it plausible that the parent commenter made a minor misnomer between feminine and effeminate, instead of jumping to conclusions about stereotyping. But I know I usually have a terminal case of being too charitable, so maybe this is just a blind spot for me.
Edit: apparently my assumption was correct, per the commenter in question elsewhere in this thread: https://news.ycombinator.com/item?id=26076929