This is why I backup my phone manually, my Google account is not used for any email I really care about, and I don't use it to authenticate anywhere else, etc.

This is why I backup my phone manually, my Google account is not used for any email I really care about, and I don't use it to authenticate anywhere else, etc. Same with other big providers (and smaller ones though for softly different reasons: they may vanish or be eaten by the larger fish). Having too much linked to one group, especially one famed for terrible user care when something goes wrong, is just asking for this sort of accident to happen, and for it to affect you as widely as possible.