culpability isn't zero-sum, everyone can have some. some entities deserve a lot, others deserve just a teeny tiny little bit.
for purposes of keeping your data safe, your cloud provider is just one, single, copy of your data. all of their redundancies and backups and whatnot are for _their_ convenience, not yours, regardless of the marketing copy.
(they can decide to intentionally delete your data because they think you didn't pay. no amount of RAID and georedundant backups on their part will help you then.)
for purposes of keeping your data safe, your cloud provider is just one, single, copy of your data. all of their redundancies and backups and whatnot are for _their_ convenience, not yours, regardless of the marketing copy.
(they can decide to intentionally delete your data because they think you didn't pay. no amount of RAID and georedundant backups on their part will help you then.)