"Then I suppose so." Does he seem bothered in the least by that? Not really. As for the last thing Hiei says? There's almost a pointedly cool indifference to his reply.

"Is it? I seem to recall a great deal of playing by the rules of others since we met Yusuke." Koenma, Toguro, the whole dark tournament. It was playing by the rules of the territory that led to killing Amanuma, and they'd stood back to watch Yusuke fight Sensui alone. Twice. What makes this any different?

"Regardless, if the current theory about this world holds any weight, it doesn't matter, does it?"