[PH95VuimJjqBqy]

> But we don’t assign blame during these sorts of events, so let’s just consider it an expensive learning opportunity to redesign the system so it can’t happen again.

It's the latter half of the sentence that makes it blameless. Zuckerberg is very clearly saying the problem is that it was allowed at all.

sometimes the root cause is someone fucking up, if you're not willing to attribute the root cause to someone making a mistake then being blameless is far less useful.