Everyone? How about people who have no talents whatsoever - they are at best average (or a bit above average) at everything that could be useful? Most people are like that.
Why do you assume this?
Sometimes a change can be terrible and good. Whole family dead, house gone? Terrible. Being free to move to a new area, perhaps find new opportunity - could be (in a different sense) good.
Only a crazy person would want such a disaster, but sometimes surviving something like that if one is able to shamble on through life - will in hindsight be the point were life changed, in some ways, for the better.
There is an issue of magnitude of those breaks, though
Good personal philosophy but clearly false in a meaningful way.