Wish I could write like that.....
There are very few who are useless at everything, but many who wind up in something they're not good at.
The answer is help them find something they're good at and don't be shy about it. It's OK to run track and field if you really suck at cricket. It's not OK to force the cricket team to keep you onboard and take them down with you.
It's OK (and sometimes even good) to fail at something so long as you use it to learn and don't keep failing at it. And it's OK to ask for help and listen to ideas that are not your own--especially in times of need--and even try them.
And it's a good thing to get humbled from time to time.
Perhaps things would have worked out better if--rather than forcing operational decisions-- Mr. Ismay was given a set of binoculars, taught how to use them, and sent up to the crow's nest to look for ice.