I spent hours listening to Sabrina Carpenter this year. So why do I have a Spotify ‘listening age’ of 86?

I spent hours listening to Sabrina Carpenter this year. So why do I have a Spotify ‘listening age’ of 86?
Many users of the app were shocked, this week, by this addition to the Spotify Wrapped roundup – especially twentysomethings who were judged to be 100