the problem is that many people dont use it as a backup. In a backup scenario, you are immune to these things, because you still have your primary copy. It's annoying yes, but in a backup you can always afford to lose the backup with no problem.

But many people treat these solutions as an extension of their hard drive. A physical analogy is putting your books into a Shurguard/self storage. Thats not a backup, that's just storage. You should make a photocopy instead