This is not a final underpayment judgment. It is a case-management decision in a large payroll class action. But it is still highly practical for franchise systems and multi-site employers because it shows the kind of operational allegation that can scale quickly: unpaid work around the edges of rostered shifts.
The Court decided that the initial trial should deal with the claims of the people who were giving evidence, not just a narrower group of named applicants. It also decided that the issue of serious contravention should be considered at the initial trial if contraventions are proved. That matters because serious contravention findings can affect penalty exposure.
For businesses, the real-world lesson is to audit what managers actually do before and after their rostered hours. Opening checks, cash handling, stock, shift handover, customer issues, systems tasks and closing routines should be captured in paid time or expressly controlled so they are not performed unpaid. The harder it is to describe the true system, the harder it is to defend.