This strangely parallels the exact experience my friend and I had making a website for the families in Newtown [1]. Especially the part about being ignored on HN ;)
The author kind of discounts the power of "the press" though. From our experience, if there's even one good article out there about your cause, other reporters will contact you about it, and you'll get the word out much faster.
[1] www.letterstosandyhook.com