Yes, this breaks the whole scheme. Anyone promoting it as a solution is delusional. There's a triangle of "robust", "private", and "practical" and you can only

Yes, this breaks the whole scheme. Anyone promoting it as a solution is delusional. There's a triangle of "robust", "private", and "practical" and you can only pick two. This one omits robust. The various mitigations people might suggest in response will have to sacrifice one of the other dimensions.