I do agree with you. But your sentiment applies to primary school teachers across the globe too. Children at that level are not typically taught by science teachers who are passionately against these kinds of simplifications. Those people end up teaching older children/teenages/adults who are more able to discern these differences.

My parenting style would be much more scientific than this. Though pushing it further, you could argue that it does disappear, it’s no longer visible. Though I doubt the authors of the article made that distinction