This is pretty awful. A bad assumption to make was that by turning off all activity monitoring this would have also been stopped. You can delete these items by

This is pretty awful. A bad assumption to make was that by turning off all activity monitoring this would have also been stopped. You can delete these items by deleting the email itself but that's a ridiculous burden to put on the end user. Oh, you don't want us to know you spent hundreds of dollars on baseball tickets? Better delete the email invoices.