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.
No because they would go to the download folder which isnt synced with onedrive.
Yes this is the biggest issue with onedrive but its still on users to administer their system at the end of the day. That means doing the bare minimum research when removing something as integral as Onedrive. You cant just turn off a home directory sync service and not make sure your stuff has been downloaded out of that service.