Could you elaborate on this? Before you reply, let us pretend you have uploaded--from your computer--128 GB of photos and videos to iCloud. Let me know.
Funny, I was about to complain how I need two different applications to manage the files on a single device, how the drag and drop idiom is inconsistent across the two, and how I ended up having to use a completely different method (airdrop) just to get a photo from my macbook onto my iPhone so that I could paste it into a messaging app.