Apparently Google accidentally deleted all online data from UniSuper, a superannuation fund with half a million members.
UniSuper was only able to restore from backups from a different service. If they'd been solely relying on Google, then UniSuper and their members would be screwed.
Google says "This is an isolated, ‘one-of-a-kind occurrence’" But I'm seeing reports on Lemmy claiming to have dealt with similar problems with Google, suggesting this only the first *major* customer it has happened to.
In any case, don't put all your eggs in one basket. Even that that basket tries to make it ever-so-convenient for you to give them everything.