I think your solution would suffer from the tragedy of the commons--it would only take a few defectors to ruin the whole scheme.
My guess is that the only durable way to increase digital privacy protections is through law. To achieve what you want, you would need to get Congress to pass a bill, or the Supreme Court to hand down a favorable decision, or maybe both.
My guess is that the only durable way to increase digital privacy protections is through law. To achieve what you want, you would need to get Congress to pass a bill, or the Supreme Court to hand down a favorable decision, or maybe both.