It is debatable, but arguably, at least he isn't being sacrificed for a ritual or swayed by the call of his blood, so that's something, isn't it?

The witcher shakes his head. Strange might be trying to meet his eyes, but the witcher looks away.

"Iron wounds don't heal easy. Might've been kinder to kill him and let the Ringmaster bring him back. He's got the lives to spare."