The coming together of the Thackeray brothers is being driven by mutual political weakness and electoral compulsions. Uddhav Thackeray's Shiv Sena has been weakened after the Eknath Shinde rebellion, fracturing its traditional vote base. At the same time, Raj Thackeray's MNS has struggled to make an impact as a standalone force. The cousins now see greater electoral advantage in unity, pitching the alliance as a consolidation of the "Marathi Manus" vote to counter the BJP.