Amazon has a special website that sets out its impact. The focus is on the impact of Amazon in the U.S. It is hard to find out what positive impact Amazon is having in Australia.
If you contract with AWS on their standard terms, unless you are located in one of a few listed countries, you are agreeing to U.S. law for the contract, and having to go to the U.S. for any disputes.
"Governing Laws" and “Governing Courts” mean, for each AWS Contracting Party, the laws and courts set forth in the following table: see https://aws.amazon.com/agreement/. I guess that provides jobs for U.S. lawyers!