[Volundr]

It's also that we (the team) failed to put steps in place to prevent the problem. The person who pushed the button that took down prod is only the last person who made a mistake. Plenty of mistakes were made before, otherwise their mistake would've been a non-issue.

If your system can't tolerate one person's mistake, it's not robust.

None of this means you can't praise a whole team (you should! The original statement just said you CAN praise individuals), or discipline team members who regularly show poor judgement.