If you walk into a steakhouse and order the porterhouse and you get taco bell Beefy™ meat, that's one thing. If you pay the restaurant a monthly retainer to feed you steak whenever you feel like wandering in and you get such treatment, you weren't really ripped off.
Someone tells Spotify "I want to listen to the latest Lil yachty album" and it plays, expectations were met. Someone says "play whatever I just need background noise", expectations were also met. You can't ask for elevator music and be upset that that's what you get. The fact that you can still pay a flat monthly rate and get access to almost any music you'd want to hear, that's like still getting the porterhouse every day for a monthly fee. That's amazing and fantastic. Don't expect it to last much longer. And don't ask for the soup of the day if you want something fresh.