The Trident failure appeared in public reporting, which is welcomed in this argument. Hearing about such a failure privately while finding nothing in the newspapers would be much more worrying. The concern would then include whether the problem was being concealed. Visibility of a bad result offers some reassurance about openness while leaving the missile fault itself to be investigated.
Notable Point · 2:44-3:31
Why reporting a failed Trident test matters
Public reporting of the failed launch is treated as reassuring because concealment would create an additional reason for concern.