Time Machine has a similar issue. OneDrive silently corrupted hundreds of my files, replacing their content with binary zeros while retaining the original file size. I have Time Machine backups going back years, but it turns out TM does not backup Cloud files, even if you have them pinned to local storage! So I lost sales those files, including some irreplaceable family photos

I’ve added restic to my backup routine, pointed at cloud files and other critical data