“Raj Thackeray’s perfect Yorker has left the Shiv Sena speechless. Why is the Sena not replying to what Thackeray has said on the Amitabh Bachchan and the Shiv Sena’s stand on him? It seems that the Shiv Sena adopts convenience based and biased stand,” said Shirish Parkar, Maharashtra Navnirman Sena (MNS) spokesperson and general secretary, who is considered to be among the few erudite leaders of MNS.