Goalposts wherever you like.

Is there even any evidence that there are any other units affected by this issue?

> Is there even any evidence that there are any other units affected by this issue?

If their QC is that broken, aren’t the cars that passed through it suspect?

Edit: within a proper timeframe window.

One instance is evidence their process failed at least once. At a minimum they need to identify the process failure and the cars the could have been affected, and issue a recall or TSB to verify none of those cars are missing brake pads.