We can use strong end-to-end encryption to evade snooping middlemen. Beyond that, we hold service providers accountable by not using their services if they are

We can use strong end-to-end encryption to evade snooping middlemen. Beyond that, we hold service providers accountable by not using their services if they are not willing or able to provide the security and privacy we require. If you want an authority to hold them accountable, you are just shifting your trust from one entity you have little/no control over, to another entity that you have little/no control over. Look around, not up. An authority will not solve this. We must solve it, together.