The dialogue was a little convoluted, but consider also that he mentioned how a change in heart in another situation also came to benefit a party involved - this time talking about Carol's expulsion and Rick's later change of heart. Whether right or wrong - or with the appropriate delivery - he is consistent with the…

Missing the point there. When push came to shove, the psychotic killer turned around to save someone he didn't have to, putting his own life in danger. He changed. The circle makes sense, in that in the grand scheme of things people changing can then become beneficial. That was just a little microcosm of the grand…