This is the most common culprit. The company built a beautiful new "Better Sustainability" microsite on a staging server (e.g., staging.wwwxxxxcom.au ). When they migrated to the live server, they forgot to remove the IP whitelist. The server still thinks only employees in the office can see the "better" plan.
Under Australian Consumer Law (ACL), it is illegal to make false or misleading representations about environmental benefits. However, is not explicitly illegal—unless the company has a duty to disclose (e.g., under ASX listing rules or upcoming mandatory climate reporting).