The same thing happened to my extremely old account (17+ years). A few weeks ago I noticed I stopped getting replies and taking a look in incognito mode verifie

The same thing happened to my extremely old account (17+ years). A few weeks ago I noticed I stopped getting replies and taking a look in incognito mode verified my suspicion. I had stopped existing. I think it was because I had started the habit of deleting my older comments. Oddly enough, the hundreds of comments I had deleted had returned (only visible to me of course...other uses clicking on my profile would see an "account doesn't exist" message). At that point I just deleted the account in disgust.