A screenshot, taken way before rexxit, of two comments on reddit, dated “1 year ago”.
The first comment is by a deleted user and the comment has been removed. The second comment is a reply to the deleted comment and it says: “That solved it. Thanks!”
Edit: added temporal context.
I know about deleting comments, but do any of these let you back up your comments before removing them?
You can request your data from reddit but it says it can take up to 30 days.
https://support.reddithelp.com/hc/en-us/articles/360043048352-How-do-I-request-a-copy-of-my-Reddit-data-and-information-