Which feels a bit dated now. Expressing that you agree isn't only valuable to the writer of the comment, and since the number of upvotes-downvotes isn't shown a

Which feels a bit dated now. Expressing that you agree isn't only valuable to the writer of the comment, and since the number of upvotes-downvotes isn't shown anymore the only way to express that you agree is to write an "I agree"-comment. Yes there are advantages and drawbacks of showing the upvotes-downvotes but one drawback is that you create a need for "I agree"-comments.