In theory, I agree. In practice, how do you explain how NSO Group kept the secret for the 0-day exploit for WhatsApp remote execute for its Pegasus product? O

In theory, I agree. In practice, how do you explain how NSO Group kept the secret for the 0-day exploit for WhatsApp remote execute for its Pegasus product? Or do I misunderstand Pegasus? Maybe it isn't a one trick pony, but a platform to continuously deliver 0-day exploits.