More like a "good luck with that" policy, honestly.

Actually no, hall.nora, it's the opposite. The first one is a heads up so you can start getting ready. The second one is your final call before the doors open. If they only said it once right as the doors opened, half the people would miss their stop.

Honestly, that number seems way too high from what I've seen. Most nomads I meet are super careful about taxes because they're scared of getting in trouble. Tbh, the ones who mess up are usually just working for a US company and think the foreign earned income credit covers everything, but it's more complicated than that.