Earlier quoted context omitted.
It's just a starting point for negotiation. Same way people slip in a store and sue for $1M, even though they end up settling for 50k.
And think about the timing. Just before Spotify wants to go public? Nobody wants to go public with a pending lawsuit, so added pressure to settle.
I'm pretty sure every large company in the world is involved in multiple lawsuits at any point in time (both offensively and defensively).