Why is it impermissible to supplicate against an unjust parent, despite the verse: "Allah does not like the public utterance of evil, except by one who has been wronged"?

Preventing a child from supplicating against his oppressive father does not condone the father's oppression, for oppression is forbidden and accountable. Similarly, a son is held accountable for disobeying his father. Islamic law prohibits a father from supplicating against his children and obliges him to fulfill their rights, as he is responsible before Allah for his flock. The oppressed son should supplicate for his own well-being and ask Allah to protect him from his father's evil. It is better for him to supplicate for his father's guidance and righteousness.