I've had large customers seriously see that as a big appeal, when we were selling them some IT. They loved being able to blame someone else!
The corporate training always says you are responsible for your chosen cloud vendor's problems, but in reality everyone assumes they can successfully blame the vendor.
"No-one ever got fired for choosing Microsoft".
Well, the older version is about IBM, and it would probably even be true (today) if we were talking about mainframes, because they are one hell of a stable basket ;)