If WhatsApp chats are end-to-end encrypted why do Bollywood chats keep leaking all the time

WhatsApp chats are end-to-end encrypted, something that the Facebook-owned company has always maintained. End-to-end encryption means that no one apart from the sender and receiver can read the messages, not even WhatsApp. So despite such stringent rules, why is it that every time there is a Bollywood scandal, the…