It isnt a fukn backdoor you fucking ape. It is an optional service for any host including if you were to selfhost. Every fucking user in pubky can tag other keys and content on an open graph so you moderate whatever you want. The service can be totally excluded or customized so you dont need to relay on central anything. And, if you do wanna run a product with it, you have professional grade moderation capability. In pubky you control the data endpoint with your key. Your key is discoverable on mainline. Just assume you are wrong and you can learn how pubky trounces other designs.