Out of respect, for Dusshala, they liberated him on that occasion. Why, O Krishna, did they not show some respect for that Dusshala once more.
दुःशलां मानयद्भिस्तु तदा मुक्तो जयद्रथः। कथमद्य न तां कृष्ण मानयन्ति स्म ते पुनः॥