What if Healthcare.gov Development Were Managed using Scrum?

In a Forbes' article, HealthCare.gov Diagnosis: The Government Broke Every Rule Of Project Management, the author lists key reasons why the project failed:

1. Unrealistic Requirements
2. Technical Complexity
3. Integration Responsibility
4. Fragmented Authority
5. Loose Metrics
6. Inadequate Testing
7. Aggressive Schedules
8. Administrative Blindness