Do you mean their career success, or their personalities in general?
Positive upbringings helped those folks navigate everything in life better from simple chores like laundry, to relationships, to school, to careers... etc.
People are more healthy when they're in an environment that promotes emotional/educational growth vs. when they're forced into a survival mentality. Those who had the opportunity to grow in safety have an easier time socially vs. those who had to navigate turbulent childhoods.
Much of it is just trust
> Much of it is just trust
You are absolutely right. There was so much trust between the kids and the parent. You could tell from the way they act and talk around each other. That experience was very enlightening for me.
Presumably there are many factors. One worth considering could be "frustration tolerance" as a construct or capability.
The friends with troubled upbringing often do find success in one area of life, but they seem unstable overall and often crash or stall in multiple other areas.