The author's baffling reaction to iCloud and Dropbox's warning just makes my point. Those warnings are super clear to people who use those services for backup - remove this file and it won't be backed up, hence not available elsewhere. That isn't those platforms begging for attention (???). Remove those warnings and see how many normies complain to Apple/Dropbox that they didn't know removing a file from their synced folder meant it wouldn't be synced anymore. This also applies to the bizarre complaint about cloud storage space limits - of course you need storage space on the service if those files have to live elsewhere!