Signal is a non-profit. Signal also has a blog post on why they chose not to support federation: https://signal.org/blog/the-ecosystem-is-moving/ https://si

Signal is a non-profit. Signal also has a blog post on why they chose not to support federation: https://signal.org/blog/the-ecosystem-is-moving/ https://signal.org/blog/the-ecosystem-is-moving/ It basically boils down to being able to add features and change things without worrying about whether the federated servers keep up.