Works for me on latest macOS. Maybe your hardware is SOL? Can you share the video? Reminds me of the butterfly keyboard issue of the 2016-2019” model year MBs.

Works for me on latest macOS. Maybe your hardware is SOL? Can you share the video? Reminds me of the butterfly keyboard issue of the 2016-2019” model year MBs. If your warranty is still active could try to get the trackpad replaced.