Reporting is currently only available to Admins with access to /admin. Reports such as Account Activity would be useful for Agents and be accessible in the web site.
This report has been there for a very long time and while intuitively you would think it was derived from 'Purchaser' data it is in fact derived from 'Order' data so it will 'grow' as Account Managers place orders.
I can see this is not ideal s...
Implement the 'Select All' checkbox type functionality so you could delete all delivery address or all purchasers. So you could 'Select All' and then deselect the two you wanted to keep and then press delete