Update: As some have pointed out: the restores can be rollbacks from the server issues or post haven’t been properly deleted due to subs being private during blackouts. Many have experienced the same issue, I can’t explain how this happens. I’ll just run the script again, try the GDPR request and delete my account.
Also worth noting: according to the ToS Reddit can actually do whatever they want with existing content, apparently we agreed to this when signing up.
The data subjects are identifiable if they can be directly or indirectly identified, especially by reference to an identifier such as a name, an identification number, location data, an online identifier or one of several special characteristics
By definition commenting reddit users are covered, even if they haven’t posted anything otherwise identifying – but most have either way.
That’s not what an “online identifier” is under GDPR. Those are RFID tags, cookies, device fingerprints, IP addresses, etc: https://gdpr-info.eu/recitals/no-30/