Yes, this is something where Apple's own interests and the customer's might be aligned. Even just having a central place to cancel subscriptions is significant

Yes, this is something where Apple's own interests and the customer's might be aligned. Even just having a central place to cancel subscriptions is significantly better than having to do it individually -- and Apple almost certainly won't allow developers to get too obnoxious with the 'customer retention' hoops we need to jump through to actually cancel.