People use a new platform not because it is more private, but because it enables amazing new experiences that aren't possible anywhere else.

Having privacy baked in to allow a different laws of physics makes a whole new class of software viable.

Users will use the platform not because of the privacy characteristics, but because of the amazing new experiences that are possible within it… which are only possible because of the privacy model.

The killer use case of this new platform will be the whole universe of amazing things that aren't viable in other systems.

A privacy model does not make a product. It enables a product.