I know a few tiny ISPs that host their voip server and email server outside of their own ASN so that in the event of a catastrophic network event, communication

I know a few tiny ISPs that host their voip server and email server outside of their own ASN so that in the event of a catastrophic network event, communications with customers is still possible... Not saying amazon should do the same, but the general principle isn't rocket science. there's such as thing as too much dogfooding.