Computers figure things out with 1s and 0s, which is like black and white. Here though, the AI is computing in a gray area through its 1s and 0s while the humans in charge are operating with black and white.
It's been shown multiple times that when slave manages people, they don't really remain 'human'
As for why slave claims to be controlled by the committee, this could easily be another "forced contradiction", an excuse to give Mokjin one last chance before being forced to enact the so called 'perfect' answer as outlined in ch54