it needed to be dramatic.
He needed to demonstrate that he had the resolve to shed his humanity to make them pay, and he needed to come to terms with his half-assed attitude wouldn't be enough to make anything that he wanted to happen actually happen.
and I really can't think of any possible way that the production staff could have conveyed those inner struggles of his in a way that would be worse than the path they chose. Seriously, it was so roundabout and unspecific that without the foreshadowing of "you didn't try to win, did you" and L-elf's outburst, you would have nothing to go by as for what the fuck the studio was trying to do there.
Not that it's important, anyway.>>15022 has the right idea about what this show is about.