Vitalik's article points out a great direction: on-chain social should mean all data is stored on-chain. You can use your own Vibe-handcrafted app to manage your followers and posts, or use better tools developed by others. This kind of experience is both novel and useful. The main reason we don’t want to switch platforms is that our followers are all on the platform. If followers can switch between platforms along with on-chain data, wouldn’t that break the liquidity of social platform resources?