I think the GP means that as far as incidents occurring, so far as care is (or was) taken to prevent them and learn from them, then that's all one can really reasonably ask for. The first incident falls under that heading and 'is fine' in a 'life happens' sense.
The following incident comes across as reckless and avoidable as there should have been procedures to safely test the rollback (and perhaps there were, but a perfect storm allowed it fail in prod). Lacking details about how the second incident came to be or how they will be prevented going forward places the second incident as 'not fine'.
This information is what the GP comment is asking for.
Compare this PM with Cloudflare's PM, where they detail how they tested rules, what safeguards were in place, how the incident came to be, and how they intend to prevent similar incidents; the impression given here is that they will put up more fire alarms and fire extinguishers but do little fire prevention.