Don't the parents have a legitimate interest here though? Just being tired does not make them irrational or credulous as seems to be implied here.
Or three under 5?
There is a legitimate interest, but subtlety and critical thinking are some of the first things to go out the window.
Personally, it completely redefined my concept of ‘exhausted’, though the military veteran family of mine seemed to consider it a not entirely uncommon level of suffering. They were all enlisted though.