As a user, why would I choose this? I only see a benefit to developers for this, but from a user prospective going with another system is a downgrade. Assuming google works like Apple (correct me if I am wrong), disabling a subscription should be able to happen from a central location with a click or 2. If I instead go with the billing through a company not only do they now have my credit card information, but I have…
Billing through Spotify might make it harder to unsubscribe, but I can still block my card. Rather not need to fight a large company with a history of ignoring its users or their complaints to get my payment canceled.