If coutries do not print money, they will be indirectly promoting crypto use which will make governments weaker.It solves hyper inflations. It basically prevents countries from printing money and manages the inflation.
Most will prefer to pay by card as it will allow chargeback in case something goes wrong.It can help you, for example, with online payments when you don't want to or can't pay with your credit card. And in any case we cannot know how far its use may extend in the future.
No, straight up no.Is crypto solving a problem in your daily life ?