I'm going to say, as a child of the '70s, that with proper parental supervision children can survive their parent's "alarming lack of concern for the well-being of children".
As another child of the 70s, I can tell you that even without proper parental supervision, children can also survive dangerous activities and construction projects that would invoke a visit from Child Protective Services these days.
The native tongue of the writer appears to be Spanish. They likely either live in a hispanic country or in a hispanic neighborhood of the US, where such overbearing Karen snitches do not exist.
I'm going to say, as a child of the '70s, that with proper parental supervision children can survive their parent's "alarming lack of concern for the well-being of children".