With Azure’s global outages impacting millions of end-users today, as a Software Architect this is just a simple reminder. Either your architecture has a quality attribute that requires resilience in the face of an apocalypse-like cloud vendor outage or it does not.
Chances are that no individual vendor will ever entertain the notion that they will suffer a global outage. SLAs are unlikely to get lost business back. It is the architect’s job to guide their client through the scenarios that may impact their business, including an Azure-Aclypse.