There might be some "Three or so core values are enough" pattern being played out in relatively good success here. E.g. respond to a favorable or valliant interpretation of a post, bring in new data and information and references, leave the place better than you found it. Then maybe a few emergent rules of etiquette.
HN has broad tolerance for a lot of ideas - and a lot of subgroups exist here that don't exist on other platforms. No matter what you believe, someone on HN holds a counter view and can probably give you a good debate about it.