When enough ppl visibly leave and have real concerns, they can be in touch in exile, and all break NDA in synchrony. If the stakes are as high as some believe,

When enough ppl visibly leave and have real concerns, they can be in touch in exile, and all break NDA in synchrony. If the stakes are as high as some believe, I presume ppl don't actually care about getting sued when they believe they're helping humanity avert existential crisis.