Forgive me saying that, if I was a flying instructor, I'm not sure I'd want even to take up a student who, in the event of an unexpected tonic-clonic, might present me with full right rudder that I'm not strong enough to counter.
Thank you, Chris ! Could not have put it better myself !
Thanks also for the observation that once the risk is known to be there, the number of years that pass by is almost immaterial.