Bitcoin cannot become a pure currency but only an asset,pure currency in crypto system will evolve soon
that is not true. Bitcoin can easily become proper currency, right when the people start using it that way. There is some infrastructure to be added on top but that will be managed.
Whatever he says I don't care, because in fact what comes to my mind about currency is bitcoin, and many people think the same, and in fact many merchants also accept bitcoin as payment. the point is that everyone is free to say bitcoin for any function and I call bitcoin a currency