Even lower risk is to email hn@ycombinator.com with duplicate posts or other issues on this site! It helps, and it gets you a bit over the fear of emailing. ;)
He has always replied to me, and has always been gracious, even when I felt a little too argumentative.
It’s hard being an hotheaded internet keyboard warrior like me when the moderators are going out of their way to remain polite and courteous when disagreeing.
This is why I share my email on my website and on my HN profile: it’s so much easier to see the human in 1:1 conversation.
I'm not sure if this is sarcasm, but I've been blown away by the thoughtful responses I've gotten from dang. They don't always come quickly, but I would expect that given how crazy I assume that inbox is.
I suspect the emails are triaged quickly and there is a low-priority bucket which may or may not ever get a reply. In my experience if there is a clear call to action and addressing the issue will have any sort of meaningful impact, it's unusual to not get a reply.