You mean CIG have the creative license to create the game they choose? No, really? Really?! And here I assumed as a backer, you also became a dev.
They've not changed any contract or pledge. You've just decided to (intentionally or otherwise) misunderstand because you dont want the ship now - which is clearly driven by other users perspective.
This is the equivalent of buying a Ferarri, owning it for two years, and then deciding to take Ferarri to court, because people said they didnt like it, and you saw someone else in a Ferarri too.