Its free people so why not? Why not get to know Spotify Analytics? This is a chance to get a peak inside the brain of spotify and see if there is value there! Add some artists you work with and get them all under the same page.
What does it do?
At the end of the day, the Data is the name of the game, which is why they take it and make millions from it. You control the data, you control where the money is flowing. Of course Spotify isn't going to give you what you REALLY need like, where and who your fans actually are, but you get more of an idea and you gotta use your own tactics to find more.