Induced currents causing SUA is not something that happens regularly. Basically you have to be in the wrong spot at the wrong time to suffer a build up. This study, which you are aware of, shows other brands have the exact same problem.
Proof Electromagnetic radiation is causing EVs to go out of control and spontaneously combust.
Continued very high accelerator pressure with no braking is how you differentiate SUA from pedal misapplication.