Call me a cynic but I suspect the biggest 'contributor' to r/product will end up being product's marketing department account, likewise with r/country and party-political apparatchiks. The move is elegant in a way: Reddit Inc can ruin true democratic operation of subs by turning subscribers into shareholders (which wards off repeats of mod activism) and simultaneously provide further cover to astroturfers (lots of points = Time and Effort™ = good faith actor).