I think the lofty and idealistic "end goal" for cryptocurrencies is to be fiat independent, so you don't need any fiat on/off ramps and you will be able to use

I think the lofty and idealistic "end goal" for cryptocurrencies is to be fiat independent, so you don't need any fiat on/off ramps and you will be able to use it for everyday purchases. Whether that will realistically happen or not I have no idea, but that's the promised land held onto for true believers.