In article , Carlos E.R.
wrote:

Who really knows what files/folders/etc could be the target
of some code "oops", let alone an actual targeted attack?

that's what backups are for. if there's an oops, simply restore from a
backup. no big deal.

Only if you know that some data files were lost during the update. Why
should they?

the update deleted entire folders, which is very obvious, but
regardless, if a desired file is missing, retrieve from a backup. it's
not a big deal.

and it's not just updates. users **** up and mistakenly delete files.
buggy apps mistakenly delete files, or corrupt them. or, someone wants
to revert to a previous version.

anyone who doesn't have backups has only themselves to blame *when*
(not if) they lose important data, not microsoft, apple, google, etc.