aaalso .... the RAM will never reach these clock rates without XMP or AMP profile. Accordingly, if you want to reach the maximum clock rate, an XMP or AMP profile (depending on the RAM and board) must be loaded. I can't tell you exactly where this is on your board.
However, you should be able to set a memory timing profile or something similar somewhere.
However, this has little or nothing to do with the OC itself, but is a separate setting.

The ASUS ROG Strix B650-A Gaming Wifi AM5 has big problems, so it's not the RAM but Asus

Have you activated a corresponding profile for 6000 or whatever in the bios?