Thackeray's death left a gaping hole in the Shiv Sena party, and his legacy continues to be a subject of debate in Indian politics. While some hail him as a hero who defended the rights of Marathi-speaking people, others criticize him for his divisive rhetoric that led to communal violence in Mumbai.

The Shiv Sena, under Thackeray's leadership, was known for its militant and aggressive approach towards politics. Thackeray himself was known for his controversial statements and actions, especially his anti-Muslim sentiments. His speeches often incited violence and led to clashes between his supporters and other political parties.