The thing about the Culture is that the Minds will act like they're so far beyond using humans as living weapons that the very idea is laughable and snidely mock your angst for feeling like one, and then there's a little epilogue where it's revealed that they totally cultivated that guy as a living weapon.
All "well, we didn't grow them in a tube or anything, we merely identified one of our quadrillions of citizens whose circumstances just randomly happened to be conducive to weaponisation and subtly manipulated every aspect of their life to bring that potential to fruition, so technically it doesn't count".























