Parental preference and wisdom

إِذْ قَالُوا۟ لَيُوسُفُ وَأَخُوهُ أَحَبُّ إِلَىٰٓ أَبِينَا مِنَّا وَنَحْنُ عُصْبَةٌ إِنَّ أَبَانَا لَفِى ضَلَـٰلٍ مُّبِينٍ

When they said, "Joseph and his brother are more beloved to our father than we, while we are a clan. Indeed, our father is in clear error.