Which part is encouraging? We rely on the extra ordinary (talent and/or sheer drive) to make leaps of progress - what happens if they are handicapped? If the du

Which part is encouraging? We rely on the extra ordinary (talent and/or sheer drive) to make leaps of progress - what happens if they are handicapped? If the dumbest fake it and make it to the positions they shouldn't be entrusted with, what prevents the catastrophes?