fare enough. but wondering what the value down voting brings at all, or if current model of blessing according to activity gives better results than blessing ra

fare enough. but wondering what the value down voting brings at all, or if current model of blessing according to activity gives better results than blessing random users or randomly blessing users with N down votes per time or other quantifier. One of the later two would certainly be less cast based. Whereby the cast system of HN is according to "activity" not expertise.