The sports biopic usually depicts their subject as someone of a grit and determination we should align with and aspire towards, and so Marty Supreme observing it's subject with not an ounce of reverence tickled me. Marty, single-minded narcissist, so devoted to his dream that he has a solipsist's view of the people around him (I was taken aback hearing him say that he gives his friend meaning, and again when he abandons a pregnant fling on the basis that…