You can favourite comments for people to see them in your profile. Click on the time of the comment for the link to appear.
Someone did this for posts last week (https://news.ycombinator.com/item?id=24351073) but I don't know if there would be enough overlap to do it for comments.
Re:Oracle Wins Bid for TikTok in U.S.
by yesbabyyes on Monday September 14, 2020 @01:48AM
(#24467183)
IIRC, one of HN's most favorite comments is the one describing the experience of developing the Oracle database.
Re:Oracle Wins Bid for TikTok in U.S.
by yesbabyyes on Monday September 14, 2020 @06:42AM
(#24468656)
Here is the list of the most favorited comments on HN as compiled by 'dang:
Re:Oracle Wins Bid for TikTok in U.S.
by yjftsjthsd-h on Monday September 14, 2020 @04:11PM
(#24474553)
Probably this one, then: https://news.ycombinator.com/item?id=18442941
[0] https://news.ycombinator.com/item?id=8279606