24
When you block a user on kbin and they're so butthurt, they ban you from their "magazines."
(media.kbin.social)
This magazine is dedicated to discussions on the federated social networking ecosystem, which includes decentralized and open-source social media platforms. Whether you are a user, developer, or simply interested in the concept of decentralized social media, this is the place for you. Here you can share your knowledge, ask questions, and engage in discussions on topics such as the benefits and challenges of decentralized social media, new and existing federated platforms, and more. From the latest developments and trends to ethical considerations and the future of federated social media, this category covers a wide range of topics related to the Fediverse.
Who cares tho?
They also moderate.
Just wait until 3001 AD and the ban will expire. Since he's clearly not a fan of transhumanism or other such fields of study he probably won't still be around then to extend it.