Hmm. So i agree with daniel that the primary usecase of money is savings but i dont really get why he excludes spending as a usecase. I would rather describe spending as the last stage of using money, but still count it as using.
"An increase in merchant acceptance, ceteris paribus, does not increase the value of the coin. Therefore, an increase in merchant acceptance does not increase the value of the coin."
I think this is the fundamental confusion.