That’s not why. They’re threatening to withdraw because the law requires two week advance notice of algo changes. If you have any idea how google works you know this is impossible.
Brexiteers scorned critics and are now learning that indeed some things are impossible, such as control over borders and regulations and unfettered free trade with the eu.
People seem to have such distaste for google that they’re not wrestling with how impossible Australia’s demands really are. Google has faced similar news demands in europe before and didn’t threaten to leave. But those demands didn’t come with impossible to comply with algorithm requests.