Yes, you're right. But I've seen calls for phones to scan all content before being uploaded or encrypted, and it often feels, at least in some countries, that could still plausible happen. I suppose that's what I had in mind when I wrote my comment.
> But the exact same risk exists when you upload stuff to the cloud anyway and on an even bigger scale.
There's a difference with them actively doing it and announcing they are doing it, vs the possibility they are doing it silently without consent.