According to the article the empty button still calls LIST per 1000 objects. So if the guy in the SO thread has 2B object this one click would still cost him ~$10k ??
> Within the last year, AWS added a handy Empty button to the S3 console when viewing a bucket. You can click that button and watch the S3 console make API calls on your behalf.
> Here's what it does: It calls a LIST on the bucket, pagination through the objects in the bucket 1000 at a time. It calls a DeleteObjects API method, deleting 1000 at a time.
> The cost is 1 API LIST call per 1000 objects in the bucket. Delete operations are free, so there's no extra cost there.
source : https://stackoverflow.com/a/67834172