Any cloud service can't be relied on for anything. There is no law for mandatory backing up cloud content and no guarantees your data will not be lost. Buy HDDs while they still are available and do the back up yourself.
The journalist had nearly 500 TB of data to store.. getting that much local storage could be prohibitively expensive. That's sort of the whole selling point of cloud services.
Any cloud service can't be relied on for anything. There is no law for mandatory backing up cloud content and no guarantees your data will not be lost. Buy HDDs while they still are available and do the back up yourself.