In the last two years my workplace has gotten pretty good at handling SAN outages (due to terrible Oracle equipment).
Put simply, this set of scenarios can't happen at my work-place. We don't have that level of automation, there's only a pair of SAN systems in the mirrors, there's no "hunting for capacity".
I'd suggest most businesses are closer to this than AWS.
There's a lot of sugar coating going around saying "You couldn't build a better space-shuttle", and that's probably true. But if I only need an extremely reliable bicycle that's a false argument. The Simplest Thing That Could Possibly Work doesn't apply just to programming.