For the average person in 2017, the threat of a breach of their email account is not that the contents of emails they sent or received will be published and use

For the average person in 2017, the threat of a breach of their email account is not that the contents of emails they sent or received will be published and used for nefarious purposes. Some celebrities, government officials and business people need to worry about that, but they're a tiny subset of the general email-using population. The threat of a breach of the email account is that it's the key to everything else -- pretty much any other account, with any other service, is instantly accessible the moment you're in someone's email, because the email inbox is where credential-reset requests are sent.