If I lived in the region I wouldn't really care if the economic risk is single digit percentage. I would prefer my house to keep standing.
> they are actively and very costly going to fill them with concrete to ensure in the future (even in whatever extreme scenario) they cannot be used again.
I think you are arguing in bad faith. If you hollow the underground, filling it with something is a way to mitigate the seismic risk.
> And our German neighbors, I can still see them laughing at the Orange Man Bad.
Okay, I see now that talking to you is a waste of time.
Have a great afternoon.