I wouldn't go that far. The SLA is a contract, and they are clear on the remedy (up to 100% refund if they don't hit 95% uptime in a month).
Just like reading medication side effects, they are letting you know that downtime is possible, albeit unlikely.
All of the documentation and training programs explain the consequence of single-region deployments.
The outage was a mistake. Let's hope it doesn't indicate a trend. I'm not defending AWS. I'm trying to help people translate the incident into a real lesson about how to proceed.
You don't have control over the outage, but you do have control over how your app is built to respond to a similar outage in the future.