I firmly agree that this is a serious issue.
When any development is done and that is released to outside world,we may definitely have problems.
But having consider those situations we always have a check list to check before anything go live.
Can we make those measures more foolproof and which do not produce error prone revisions.
We can help each other in this community to make PHP more stronger as this is not really encouraging to listen such incidents where other technology giants are looking are it.