> don't want my e-mail address, password and website usage statistics transferred to Mozilla's servers in the US
Isn't the whole point of Persona that... it's not? Or it doesn't have to at least? In fact, two of the main motivations of Persona are 1. decentralized identity provider (so you don't have to rely on Mozilla) and 2. that the identity provider should not know which websites you're using (so whoever you're relying on doesn't have to know you're looking at cat pictures)
Isn't the whole point of Persona that... it's not? Or it doesn't have to at least? In fact, two of the main motivations of Persona are 1. decentralized identity provider (so you don't have to rely on Mozilla) and 2. that the identity provider should not know which websites you're using (so whoever you're relying on doesn't have to know you're looking at cat pictures)