> Silicon Valley Bulletin Board

The participating commenter base on this site has been much wider than could be described that way for many years.

At least a decade. I’ve never been there and joined early in my career when I was told by mentors that it was a good source of up to date news on technology and the industry

I think the implication with that phrasing is that HN is more left-leaning (like Silicon Valley), which traditionally isn't into "prepping", so this "pro-prepping" article is an interesting anomaly, perhaps even a harbinger.