That's risk avoidance, when the smart money's on risk management. You might need to travel offroad, or transport a ton of cargo, or get from A to B in 60 second

That's risk avoidance, when the smart money's on risk management. You might need to travel offroad, or transport a ton of cargo, or get from A to B in 60 seconds, but you don't own a motorcross bike, ¾ ton truck, or sports car right now: you wait until circumstances change and rent, borrow, or buy the vehicle which meets your needs and budget. Although now you are arguing that they should have designed the system with the possibility of multiple currencies, rather that actually supporting them. There's not enough information in the article to determine if support for multiple currencies is possible or not, so I guess you read the source?