Yes but magical homomorphic encryption aside, the person has conflicting requests at that point. They are asking for an image app that can’t view their images.
That’s not an image app anymore, that’s just encrypted storage.
That’s not an image app anymore, that’s just encrypted storage.
Of course - this sacrifice quite a bit of functionality since more or less all functions which require looking at the pixels need to be client-side. But to be fair - the client is part of the "app", so it's not "just" encrypted storage.