I don't think I'm "optimistic", I simply look at both sides and think through both sides. To selfishly only want what I want and be angry that I'm not given that will not do anything, anyway.

[ but kaneki shakes his head ] The information we have on them is pretty limited. Apart from the communication and the mental link, we can't actually do much with them because they disintegrate when someone tries to study them. Maybe it's a fail-safe, but we know the nanites can be hacked.

The Russians have done it a couple of times.