I admit, some cases in The Brokenwood Mysteries, are exaggrated.
I mean, necessarily, not everyone comes out as dumb, in a family, if parents are dumb.
That being said, my husband has a theory. He says, the reason some cases in Brokenwood take longer to solve, is that the main suspects, or witnesses, are inadequate, and somewhat, well, unintelligent.
I agree. Stupid witness, suspect, friend, enemy, all make any pain last longer.