That last sentence sounded cool but this was not the situation you can solve by just being emotional. He needed his calm the most. "It can't be helped. That's just how the way it is." might sound defeatist, so it's understandable that Hachiken hated it. But he should've realized that Komaba didn't go down without a fight. He put his utmost effort to change his situation. It's just that the result of his struggle didn't go in his way. So, all that he could do was to acknowledge it and move on. It couldn't be helped, really...