It's worth worrying about outages, because these "cloud hosting" providers are a single point of failure for their hosted sites. Worrying about a complete shut

It's worth worrying about outages, because these "cloud hosting" providers are a single point of failure for their hosted sites. Worrying about a complete shutdown is less reasonable. Sure, it's possible that a company might suddenly decide to shutter a profitable and massively popular service, but what are the chances? It's like worrying that Amazon will stop selling physical books.