No matter how bonkers you might have been yourself, no matter due to your previous experiences or innate issues.
I would still investigate as deeply as possible, because the truth would be fascinating to me. Unless of course, I didn't really have a passion for my work and I was receiving shit-pay to boot.
Lots of those types in that world.
You still don't slap a younger child just to make them go away. Your argument clearly suggests you've since learned better ways to deal with others who annoy you since that unfortunate time.
And yeah, even in big families, the youngest child often learns early how to capitalize on their "velnerable" status with the parents to stick it to the older siblings, so while often unfair, it shouldn't seem so unusual from even the most privileged of families. It's what happens, often.