besides the things already mentioned (comments throttling after 5 comments, elitist downvoting only for likeminded who gain karma and fading downvoted comments,

besides the things already mentioned (comments throttling after 5 comments, elitist downvoting only for likeminded who gain karma and fading downvoted comments, site almost useless on touch devices) comments not collapsed by default irritates me a lot, sometimes i am not interested in lengthy discussion under parent but curious about completely different comment