On the surface, Tim Sutton’s adaptation of Frank Bill’s novel Donnybrook seems to address major issues facing poor Americans today: lack of opportunity, opioid addiction, ambivalent justice system, etc. In the world of Donnybrook, fighting is the only way to possibly have a chance at a better life, and you have to go through hell just to get to the fight. But Sutton renders his world in such outlandishly bleak terms that he misses the cruel indifference his characters would actually face in favor of just pushing his audience further into brutality and ugliness. There’s no denying …