It is a bless that different tokens can quantify and operationalize the value in several dimensions and not only, as FIAT currencies have done so far, reduce all value to a single dimension (King Midas experienced the same with gold).
People need symbols to compensate for credits of a different nature and make them easily transferable. That's why blockchain is such an auspicious social technology and also the reason why cryptocurrencies will enrich us in many ways beyond bank accounts...