If you're such a cynic, you ought to be a bit more proactive. If you sit back and do nothing, the people here are sure to get away with it.

[As for what exactly it is, it doesn't really matter. Matsunaga's leaving the imagined crime to just that; the imagination. Given Akira seems to have his own issues with humanity already, there's no point in trying to convince him himself...yet.]

Sometimes you have to take a stand against the unfairness of "good".