They're an organization as much as any decentralized structure can be. Is Mastodon an "organization", and can said imaginary "Mastodon" organization, or Rochko

They're an organization as much as any decentralized structure can be. Is Mastodon an "organization", and can said imaginary "Mastodon" organization, or Rochko and any contributors to the project anyway be held liable for the goings-on in individual instances that are meant to be autonomous by design?