Welcome to GPLDL - we are still beta - please report any bugs via the contact form.
I can edit the entire nag in:
/wp-content/plugins/wordpress-seo-premium/premium/assets/js/dist/wp-seo-premium-metabox-1271.min.js
Last line has all the BS. Simple to change to a more encouraging text. :-)
me too
Now the addon is gone from the repo. What happend?