Earlier quoted context omitted.
The whole "just sync everything, and if you can't seek everything, pretend to sync everything with fake files and then download the real ones ad-hoc" model of storage feels a bit ill-conceived to me. It tries to present a simple facade but I'm not sure it actually simplifies things. It always results in nasty user surprises and sometimes data loss. I've seen Microsoft OneDrive do the same thing to people at work.
I’ve lost data not realizing I was backing up placeholder files (iCloud). Hiding the network always ends in pain. But never goes out of style.
This particular example is a useful one for me to think about, because it's a version of hiding complexity in order to present a simple interface that I actually hate. (WYSIWYG editors is another one, for similar reasons: it always ends up being buggy and unpredictable.)