Likewise what is the replication story? Can you get event notifications when objects are uploaded/deleted? Is there versioning? Static website hosting? Lifecycle management?
So they say, but the SLA doesn't make any promises about durability. https://aws.amazon.com/s3/sla/
Details of durability here https://docs.aws.amazon.com/AmazonS3/latest/dev/DataDurabili...
As a side note, I think lifecycle management is very useful for backups. A server push its backups to the object storage, but cannot overwrite or delete previous backups. This is useful if the server is hacked...