I don't think this is exactly right. As other commenters point out, Patreon does nothing to help people find new stuff - what Patreon really provides is a sort of escrow service for subscriptions and payments. The value they offer me as someone who subscribes to things through them is that I know that Patreon doesn't really care that much if I decide to stop supporting something. My $5/month isn't worth them making it hard for me to cancel.

The couple apps and podcasts I've subscribed to that did roll their own payments and subscriptions have been hell to cancel or adjust my subscription, riddled with dark patterns, and one seemingly just... removed the unsubscribe button entirely. There was no way to cancel at all.