Not seeing the scores also encourages hijacking visibility by replying to the top comment.
#1 score 1000
->#2 score 5
#3 score 800
We end up reading comment #2 before and often instead of #3.
Most really popular posts load 4-5 comments in reply to the actual post in the first page of comments. It's honestly ridiculous. I would really love to be able to collapse comment trees like on reddit, and even better if they aggressively collapsed by default based on their score.
Some simple comment auto-collapsing logic (like Reddit has, it's nothing magic) would actualy be "the simplest thing that could possibly work", a lot better and more straight-forward than adding yet another (third!) layer of voting to the comments.
Also I agree that hiding scores was not "decidedly a positive change", for the reason rando289 points out, among other things. It's just so useful information. Sure it changes the way people deal out votes, but in the end it's all about how the posts are sorted, not the individual points, and I doubt the sort-order will change much (and if it does, whether it'd be worse).
Most really popular posts load 4-5 comments in reply to the actual post in the first page of comments. It's honestly ridiculous. I would really love to be able to collapse comment trees like on reddit, and even better if they aggressively collapsed by default based on their score.