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19 days agoIt’s a per-instance choice, yes. Comments though are handled differently. A deleted comment doesn’t delete the thread or any surrounding comments, just itself. The issue at hand is when a post is deleted it also deletes all comments with it. Unlike reddit where a deleted post would still have all the comments and discussions below it.
Assuming OP took the screenshot then manually found the dates, they may not know there’s a setting to show the dates (more recent dates being relative instead of absolute)