You don’t have to shut down all of your cloud back up. If you look within the iCloud options, you can turn off iCloud photo syncing. Once you do that your photos are no longer duplicated to the cloud and you will be limited to only saving the photos that fit on your phone.
I’m about 99% sure that this keeps the photos that are on your phone private and secure.
Apple may be OK with scanning copies of your photos that are on their servers but they’re not about to log into your phone and start going through everything on there.
If you want to save your own photos and videos you can always connect your iPhone directly to your computer with a cable and import those photos and videos to your computer.
Another bonus of not using iCloud photos sync is that you reduce your bandwidth usage. I don’t know about you, but I don’t want my 30 minute 4K videos (multi-gigabyte size) sent up to my iCloud using up my cellular data.
You don’t have to shut down all of your cloud back up. If you look within the iCloud options, you can turn off iCloud photo syncing. Once you do that your photos are no longer duplicated to the cloud and you will be limited to only saving the photos that fit on your phone.
I’m about 99% sure that this keeps the photos that are on your phone private and secure.
Apple may be OK with scanning copies of your photos that are on their servers but they’re not about to log into your phone and start going through everything on there.