No kidding. Even if we accept that to have been her experience, it's not representative of the norm.
Most often when a case is brought over a child being left home alone, it's because something bad happened when the child was left home alone. And when something bad happens, it's going to be argued that the bad outcome is evidence that the child was not sufficiently mature to be left home alone.
The part about the incentive and bonuses is completely false.

