Russell Life OS reads and changes data only in Russell Morgan's own Google account, and only when he asks it to.
The data it reads (mail, files, calendar events, contacts, tasks and YouTube subscriptions) is used only to do what he asked. It is not sold, shared or used for advertising, and it is not used to train any model.
The sign-in it keeps is stored on his own machines, readable only by his own account there. He can end it at any time at https://myaccount.google.com/permissions.
Its use of information received from Google APIs follows the Google API Services User Data Policy, including the Limited Use requirements.