In typical Google fashion, there is a semi-automated system for taking snapshots of employees' email history and workstation disk images when discovery demands

In typical Google fashion, there is a semi-automated system for taking snapshots of employees' email history and workstation disk images when discovery demands it. The snapshot feature is even sold as part of ~~G Suite~~ Google Workspace under the Vault product. As `shadowgovt` pointed out: Its a judge and the lawyers who get to decide what does and doesn't get covered by the process.