Distrust? It helps to know if they napped or not, because that changes plans. Doctors ask about diaper change schedules. Bumps or scrapes are good to know about because not all effects are immediate.

It’s not about trust. People forget shit, and comm lines get crossed when you’re working with 4 other staff and 30 kids. Why rely on someone’s memory when the alternative is faster, more consistent, and more informative?