Money is fundamentally used for two different things, as currency to help trade and to store value. Once it becomes too useful as a value store, it stops being

Money is fundamentally used for two different things, as currency to help trade and to store value. Once it becomes too useful as a value store, it stops being used for trade, which hurts the economy. So therefore some inflation is a good thing, it means the money keeps moving. If you want to store value you do that with assets other than money.