What technology is better at being money than bitcoin? Paper dollar?
Pretty much anything? (including cowrie shells and gold) Bitcoin has a lot of hype about being "money," but it's rarely used as such.
Good luck sending somebody crypto to make a payment.
Maybe you can make 1 on 1 payments to other people who are also convinced to use the same crypto as you. People who don't use that crypto (almost everyone in the world) or your grocery store (most in the world) won't take your payment in crypto.