You’ve never had to figure out how to make your buckets private. They are private by default. This new feature adds another level of protection against making a bucket public.

Making a bucket public is a very simple understandable option in the interface. The screenshots were just there to illustrate how even if the bucket is public the new feature will block it on the account level.

Comparing Google Drive to S3 is not really valid. No one is using Google Drive as an enterprise level access storage solution that can serve millions of requests.