Similarly, a lot of companies use systems that they believe could get the up and running on a different cloud vendor should that day come to pass. Until then, t

Similarly, a lot of companies use systems that they believe could get the up and running on a different cloud vendor should that day come to pass. Until then, they don't maintain a full second or third environment. This is equivalent to knowing you could get a hotel room or crash with a friend, instead of maintaining a whole second home yourself.