Hmm. Today streaming can sound better than red book CDs and certainly FM tuners. The advantage is a nearly infinite music library and low cost ($14.99 / month). The best streaming service for high quality sound right now is Qobuz, and secondarily Tidal. To do this a high quality streamer (think Aurender) and DAC is required. This can be a single box with both DAC and Streamer (think Aurender) or a separate Streamer and DAC . One can use a PC or iPad as a streamer, but that is not as high quality as a separate (no, a PC are not as good).
So streaming can be as good as other digital sources or even analog, but it requires carefully choosing and investing in a streamer and a DAC, and with carefull research, you get what you pay for. So if your preamp cost $2k and your amp cost $2K you should think of investing $2K in a streamer and $2K in a DAC and your jaw will drop, you will have access to basically all music and you will be amazed.