I apologize for the inconvenience that the recent Outlook clipper issues have caused. I believe you are confusing two separate features. Please allow me to explain...
The Outlook Clipper is currently available for all users: Basic, Plus, and Premium. It uses an integration between outlook and your Desktop Client.
The email you're referencing refers to the Evernote email address feature, which has recently been adjusted to a Plus and Premium feature. You can learn more about this separate feature here: https://evernote.com/contact/support/kb/#!/article/23480523
You are correct, I was