You can see there's a section on privacy and deleted data as well.
Each team has its own policies, because each product is different: at a bare minimum they might be using different storage systems, but it's very likely that their data pipelines are quite different, too. In any case, each team's targets are at least as strict as any published ones, of course.
https://www.usenix.org/conference/srecon18asia/presentation/...
You can see there's a section on privacy and deleted data as well.
Each team has its own policies, because each product is different: at a bare minimum they might be using different storage systems, but it's very likely that their data pipelines are quite different, too. In any case, each team's targets are at least as strict as any published ones, of course.