If so, you need SAP Universal ID. In a few months, SAP Universal ID will be the only option to login to SAP Community. Without it, you will lose your content and badges. If you have multiple accounts, use the Consolidation Tool to merge your content.
I know you can delete OM objects through PU00 in test client and Sandbox. Does it work the same way in PRD also or is there a different procedure in PRD.