Winnie, if c”v a kid ran into a busy road with cars swirling by, after the parent swiftly dragged him back to the sidewalk she would be correct to give him a good smack wear it hurts even though, as you put it, the urgency has receded and there’s no particular requirement to keep the kid from harm NOW.
Indeed, for her to do otherwise may very well be grossly negligent.
Yes, it’s a matter of education, reminder and discipline.