Is that I get to reread the entries, and remember things that happened to the guy I used to be.
Which, doing this, it dawned on me that I never do this: I don't revisit my journal, any more than I do my (published) work. It never crosses my mind to do that. But when I kept a paper diary, I'm fairly sure I did sometimes just pick it up and flick back, read through this or that, maybe compare my memories of the escapade with the written record.
Maybe I was younger then, and everything was draft? Posting is a form of publication; maybe things are fixed these days, that were only ever scribbled at before.
Whatever. These spam notifications are a form of lightning-flash reminder, snapshots of people and places of ago. Which is odd, and oddly welcome, I find, at the same time as being a pain in the ass. (They're not even anonymous comments, so I can't generically turn 'em off; I guess the spammers have grown wise to that, and just generate artificial identities for purposes of spammage.)