When Windows users suddenly discover that their files have vanished from their desktops after interacting with OneDrive, the issue often stems from how Microsoft’s cloud service integrates with the operating system. The automatic, near-invisible shift to cloud-based storage has triggered strong reactions from users who find the feature unintuitive and, in some cases, destructive to their local files.
I have also never lost a file on Onedrive and that is because I am not a moron. Been using Onedrive since it was Skydrive on all my devices including Windows 10 Mobile. All of my clients in my business use Onedrive as well as my clients business. It sounds like you don’t know how the tech works.