The correct answer is false because the AWS Well-Architected Framework encourages cost optimization, which involves avoiding unnecessary costs. Cost efficiency in the cloud is achieved through practices like rightsizing, choosing the right pricing model, and monitoring usage. Over-provisioning resources and incurring unnecessary costs are contrary to cost optimization principles. The use of managed services and automation is also recommended to save costs and reduce the management burden. Therefore, the idea of using more expensive and over-provisioned resources contradicts the cost optimization pillar of the AWS Well-Architected Framework.