I've played Vampire: The Masquerade – Bloodlines 2's DLC clans, Lasombra and Toreador, and they absolutely should have been in the base game

I've played Vampire: The Masquerade – Bloodlines 2's DLC clans, Lasombra and Toreador, and they absolutely should have been in the base game

They're ready to go and fit into the game perfectly, so why are they being sold separately?