they are not necessarily easier to manage but you can easily setup a redundant infrastructure with a very low effort. You can even have manually provisioned in

they are not necessarily easier to manage but you can easily setup a redundant infrastructure with a very low effort. You can even have manually provisioned instances, but you easily spin servers in multiple availability zones and have a load balancer in front of them. Similarly you can easily setup and maintain a database in multiple availability zones without much effort.