For HN, I think up-votes and down-votes counts should be shown individually. The comments with no up-votes and lots of downvotes would go grey - universally co

For HN, I think up-votes and down-votes counts should be shown individually. The comments with no up-votes and lots of downvotes would go grey - universally considered bad. The comments with lots of up-votes and down-votes, but with net down, indicates controversial opinion but with some support/validity.