Can you ask them if the music we listen to this month contributes to the wrapped next year or if it's essentially the Spotify purge and there's no consequences this month ?
If it touches your skin, it picks up what's on there and goes back into the liquid and leaves that stuff there -usually commercial products with droppers don't have the bacteria-fighting properties to account for that skin contact.
In schools it's just believing that you can learn to be better at things, it's an intervention for math anxiety. Kids often believe that if they're not good at math there's nothing that can be done about it, it's simplifying the concept of brains developing/plasticity for them