What do you think of spotify and his accusations of spying on his users?

Even if it uses your data and spying on you, think about other apps you can use. All apps collect some data and we may not even know what exactly they can get. And do not forget about such apps https://celltrackingapps.com/track-my-hu...m-knowing/. If somebody wants to spy on you and track your activity he or she will find the best way to do this.