In the specific case of Postmates listed in the linked article, > By intelligently updating the credentials on saved cards that have expired or been replaced,

In the specific case of Postmates listed in the linked article, > By intelligently updating the credentials on saved cards that have expired or been replaced, CAU optimizes authorization rates to keep subscription payments recurring seamlessly. So either Stripe is referring to a feature that Postmates didn't directly use (unlikely), or they are referring to Postmates Unlimited subscriptions, which is $10/month (and not an in-the-moment decision)