No, the topic at hand was eliminating incriminating items on your personal machine.
It’s not that hard. That’s what searching/keywords are for, as well as pattern matching. No one reads all 1 trillion or so pages in Google either. There is plenty of legal software available to system Admins to monitor huge intranet/extranet sites. If you think that no one is doing text searches of your mails on the server, well, good for you.