This guy actually wanted to use Bitcoin as a currency - to pay a transaction worth 200.000USD. His counterpart also wanted to use Bitcoin.

The conclusion - they abandoned is because Bitcoin simply does not work as a currency.

From this is becoming ever more clear that Bitcoin will eventually fail spectacularly and the price will drop to near zero as only the most avid fans remain.

https://www.cnbc.com/2017/12/07/kevin-oleary-bitcoin-is-an-asset-not-a-currency.html