Yes and no. By design it's not big, it just seems big. With relative RPO and RTO anyone can failover to other regions. And if you aren't leveraging multiple

Yes and no. By design it's not big, it just seems big. With relative RPO and RTO anyone can failover to other regions. And if you aren't leveraging multiple AZ's within a single region you need to rethink how you are using AWS. The very nature of AWS requires Amazon to build in capabilities to handle failover. But, as they say at Amazon, "everything fails, always".