Some Rega arms rely on magnetism for anti skate, therefore no adjustment. Are you certain that your arm does not have a similar anti skate configuration?
This is how the unbranded (actually Rega) arm works on the Avid Ingenium plug and play.
If a turntable/tonearm has the means to set or adjust anti skate, then I’m using it.
What’s all this about the weight swinging back and forth? Mine barely moves at all when a record is playing, no distractions, I don’t get it.