Again, and I hate to keep repeating myself, but this is not true and just shows that people are not doing their research and/or they're stuck in 2016.

Strike (https://global.strike.me) has built a product in which they use Bitcoin and the Lightning Network to send money (fiat currency like USD, EUR, etc.) around the world instantaneously and at virtually no cost. In some cases, they are able to offer exchange rates that are better than the inter-bank FX rate.

Explanation of how it works: https://jimmymow.medium.com/announcing-strike-global-2392b90...