It's normal to learn to drive a car, bus or lorry, there are lots of places you can learn to fly a plane recreationally and plenty of people sail motorboats recreationally, but the only place I can think of that you could learn to drive a train, other than by becoming a train driver, is a preserved line. So perhaps the various security agencies should be investigating Bitton etc? Is the new image of a terrorist going to be a middle-aged or retired man with a beer gut and slight OCD?
I am sure that the security agencies have thought about it.