Society cannot continue to disable themselves through their need to categorize people or make assumptions as to another individual's abilities.
I was timid and frightened as a child. Yours truly did not shin up mountains or do any other kind of adventurous stuff.
Ninety per cent of the world's woe comes from people not knowing themselves, their abilities, their frailties, and even their real virtues. Most of us go almost all the way through life as complete strangers to ourselves - so how can we know anyone else?