Living among the sinful Judah on the verge of its divine judgement, Isaiah ensured his family's safety by Trusting and Serving God as His faithful witness amidst fruitlessness. In fact, he was preparing the way for the Lord's First Coming and indeed contributing to the pages of the Eternal Word of God that speaks even today!
Satan drags our Attention to the Prohibitions in the Word of God, rather than the Provisions, to cause Frustration - and ultimately our Desertion from God Himself.
While fathers and mothers primarily influence their sons and daughters, the children look beyond their immediate family for worthy models in other areas of life.
Children's failures could reflect the parents' failure - either in Instruction or in Illustration - or perhaps in Intercession!