I said Ogbah has traditionally had 3-5 sacks a year, and your response was "Oh, so it's about tradition now?". What did you think I was talking about, the Ogbah family traditions at Christmas? I was talking about his production history.
Yes, sometimes coaches can get more out of players, and sometimes they can't. It's really just a blind assumption that the Dallas coaches could get more. And even if they could get more, how much more would it be, and would that be enough to justify trading away something of value for?