My parents had us very young. We lived in a modest house. We built forts, we hiked, we went camping and they wanted us to be independent. It's how children grew up in the 1940s and 50s: outside all the time, playing in the dirt, riding your bike around.
Sometimes you got to hurt something to help something. Sometimes you have to plow under one thing in order for something else to grow.
It is the lone worker who makes the first advance in a subject; the details may be worked out by a team, but the prime idea is due to enterprise, thought, and perception of an individual.

