This add-on makes no direct use of personal information. This add-on does not track anything to do with the content of YouTube videos watched, not even video titles. All use of titles or video descriptions is handled completely client-side.
This add-on DOES make use of Google Analytics to identify user usage patterns in order to determine popularity of the add-on and its features, and how to improve the add-on. Please review the Google Analytics privacy policy if you need more information.
Any data observed in Analytics is used solely for quantifying add-on usage.
There is no hidden agenda or mis-use of user data.