So do the police/courts if your dad goes to jail. It's incidental to their purpose.

"The purpose of a system is what it does"

	▲	its_ethan a day ago \| parent [-]
		So... what exactly is your argument here? The children of a man who is convicted and sent to prison should also go to prison, so as to avoid separation? Or that we just don't send men to prison if they have children?