A better analogy would be that when uninstalling Zoom it looks through all of your emails to find its email. It has no business being there in the first place.
It's like Zoom goes through your temp password database to change your saved password for zoom.
Then again, planting a 10 year cookie that can only exist when edited outside the browser's sandbox is a helluva effective long term marker for a particular person. Maybe they just want to keep tabs on you. :)