Let's also consider the fact that Ingram is putting up numbers on a bad team that is deep in the draft lottery this year, while Brown is starting on a team that's won the most games in the league. i.e. his minutes are highly competitive, contested, and meaningful.
That being said, if someone wanted to argue that Ingram has the higher ceiling than Brown, it's fair. Personally I'm just stoked that DA took Brown #3 overall despiite people like me not being sold on him. Remember how let down we all felt when the Celtics got the #3 pick in an alleged 2 player draft. Well, I think this Brown kid is pretty good no? The future is bright.