Disallow submitting a review for an app you haven’t installed
It seems a bit odd that anyone can use gnome-software to write a review for an app they haven’t installed — the ‘Write a Review’ button is available on all apps’ details pages, even for uninstalled apps.
Should this be allowed? Surely someone should have installed an app in order to fairly review it. On the other hand, they might have just had a bad experience with the app, uninstalled it, and are now ready to write a raw and incisive review of the app’s downsides.