They have. Read the info, Eder is given as the example. You also can't choose a subclass, they are preset. Eder is a vanilla fighter, a vanilla rogue, or a vanilla fighter/vanilla rogue. It used to be 3rd edition style multiclassing, where you can choose a second class (and subclass) on level-up. Thus the ability to choose a wacky second class was a product of the game system, not a design choice.
It now works something like DOS2: when you first meet Eder you have dialogue options: "I would like you to concentrate on being a fighter", "I would like you to concentrate on being sneaky", "I w