If you read what it says under the "Account Linking" section, it states: "To play Elder Scrolls Online on your PlayStation®4 or Xbox One, you need to link your Sony Entertainment Network or Xbox Live account. You can link both a Sony Entertainment Network and Xbox Live account, but no information (characters, progress, etc.) will be shared between them--the accounts are entirely separate. This feature is currently disabled until we launch The Elder Scrolls Online: Tamriel Unlimited for PlayStation®4 and Xbox One.
This to me suggests that we can link the accounts, and while we would have to create new characters, from scratch, our account profile would be copied over (so any crown store achievements will also carry over). Can we please get a confirmation of this?