kids turning into happy healthy productive Adults ?

i guess its 50:50 nature and nurture.

Mozart would not have been a musical genius without the driven father.

I heard of one family with a ton of kids plus one adopted kid. The Latter was from a dysfunctional background. All the kids got loving caring parenting. But the adopted one ended up in jail anyway.

Twins separated at birth are fascinating. The commonality of hobbies & life-outcomes seem to often happen , in spite of any parental influence.