She didn't lie, she did sit on the floor from Basel Switzerland until Göttingen and then got a seat in the next train. This happens all the time in Germany that there is a scheduling change, and you end up taking part of your ride standing or sitting without a seat, even if you had a reservation. Deutsche Bahn also has a point that she was given a first class seat after that, and they wanted to be recognized for that. I think she inadvertently hit a sore spot with DB.