A free search engine operating under that law would have to have to be filled with allot more ads to recuperate the costs of showing links.
Seams easier to just stop indexing Australian websites.
It's not a question of indexing Australian websites - be clear about this.
In Australia, they cannot provide a search facility that shows news - whether domestic or international - if they don't sign up to the code. So they cannot provide results from the NYT or Deutsche Welle in their search results that are accessible from Australia.
A free search engine operating under that law would have to have to be filled with allot more ads to recuperate the costs of showing links. Seams easier to just stop indexing Australian websites.