Should I mention my previous DTV visa application in my cover letter for reapplication?

The conversation revolves around an individual reapplying for a DTV visa after a previous application, through the workcation route, was rejected. They inquire whether it's necessary to mention the previous rejection in a cover letter for their new application focusing on the soft power route. Responses suggest varying opinions: some advise mentioning the rejection and explaining it, while others recommend not mentioning it since the authorities will see the rejection in their system regardless. Additionally, the importance of ensuring that the new educational program meets visa requirements is highlighted.