I can’t speak for the USA but in the UK, professions are required to act in certain cases where a layperson isn’t. For example, a layperson can ignore someone

I can’t speak for the USA but in the UK, professions are required to act in certain cases where a layperson isn’t. For example, a layperson can ignore someone having a heart attack but a doctor is required to help (even if it’s just calling for an ambulance).