Selling a burger is inhernelty profitable for McD, they sell it for more than they spend on manufacturing and shipping and serving it. Each new burger sold adds more profit.
Serving music is unprofitable for Spotify. They collect your monthly subscription fee, then every additional song play makes Spotify lose money. They don't want to have zero song plays since then nobody would subscribe, but their goal is sell the profitable thing (subscriptions) while minimizing the unprofitable thing (song plays).
Serving music is unprofitable for Spotify. They collect your monthly subscription fee, then every additional song play makes Spotify lose money. They don't want to have zero song plays since then nobody would subscribe, but their goal is sell the profitable thing (subscriptions) while minimizing the unprofitable thing (song plays).