Imo, husband is responsible who took child and mother to a crowded place and could not protect them. Stampede could happen at any point in India because people lack civic sense and become sheeps and sheeps get chopped aka scapegoat
Allu arjun's uncle Pawan Kalyan is in NDA that's why allu arjun is being targeted by congress and their brain less supporters.
He will become more famous and his movie will earn more money at box office.
Allu Arjun press meets looks like, he is reading someones script. He is more concerned about his image than the life lost(his fan).
By the way CM Revanth Reddy(though he is Congress now) is more BJP than many BJP leaders, as he was from ABVP.
Ramadheer singh said the same thing long before this study was done.