After Fable 3 there is absolutely nothing they could do that would be worse.
They've not only killed Fable, they molested it, burned it alive, revived it, molested it, threw it off a cliff, revived it, chopped it into little bits, summoned its ghost, molested it, and then banished its ghost into the confines of Hell.
The way they went from an incredibly awesome RPG like Fable 1, to Fable 2...to Fable 3, is astonishing. Lionhead should get medals for successfully ruining a good game worse than any game dev ever has before.
...
/rant