They don't have to be mutually exclusive. I know nuance and superhero comics haven't always been the best of friends, but a talented enough writer could show an ultimately kind at heart doctor whose vast wealth may have led to some less than noble characteristics. It gives Bruce both an ideal to strive for, and something to be wary of. Just like in real life, most fathers aren't usually uniformly good or bad, but flawed people who try their best to be good role models.