I had the same problem but with my discover card. I tried 3 times, added the same discover card and tried twice more. I finally went with a MasterCard and it triggered a fraud detection alert which I had to confirm. Discover never showed any rejection. Oh well.
Thanks, pulled the trigger and got the MCOA membership. Two key factors for all interested, X-Plan PIN generation must be done manually after joining and you must be a member for 60 days for the X-Plan discount to be utilized. Wish I knew this earlier.
EDRs don't record audio or video, so I don't have the same concern as private conversations captured through always-on video/audio recording.
I use a dashcam, but I mute the microphone and I have it facing forward only.