The son shall not suffer for the iniquity of the father, nor the father suffer for the iniquity of the son. The righteousness of the righteous shall be upon himself, and the wickedness of the wicked shall be upon himself. -- Ezekiel 18:20
That was aspirational around 590 BC when written, and still is. To isolate children from the iniquity of the parent would require the dissolution of the family.
