Ukraine is a current example

Fiat:

- People unable to withdraw the money in Ukraine.

- Refugees being robbed of their live saving during their escape.

- Refugees unable to deposit/exchange Ukrainian currency.

vs

Bitcoin:

- Refugees being able to flee with their live savings safely stored by memorizing 12 words

- Refugees being able to access their savings in other countries simply by having access to a smart phone

- Ukraine being able to receive global donations while national banks being not operational.