There's a difference between "taking pictures of my lived-in house and putting them on social media" and "you cannot discuss anything, at all, with anyone, about this construction project."

The author quotes someone in construction who is familiar with high end work who says it's extremely unusual to force everyone to sign NDAs.

Couple that with the scale of the project? 1,400 acres is two square miles. That's a quarter of the size of the largest town on the island.