How does downvoting work? I assume only some or really old accounts can do it?
It's been a while but last time I checked it was just a certain karma threshold. The idea was to prevent newly registered accounts from spamming downvotes.
But again, haven't actively participated in HN for a while. Things could be different now.
above 500 points or something, I believe
It's rude, not ignorant. The lower class gets the vast majority of tattoos.