I agree. I wouldn't see this as being for average anonymous users using some mass market service. It would only be useful in cases where people are willing to

I agree. I wouldn't see this as being for average anonymous users using some mass market service. It would only be useful in cases where people are willing to pay a price (in convenience) for security, understand the tech well enough to use it, and have some relationship with the domain owner that allows out-of-band verification of cert changes.